Get 15% off the Sibionics CGM with this link and code TypeOneTalks15 shareasale.com/r.cfm?b=2576076&u=3016362&m=141989&urllink=&afftrack= Want to chat ? Book a call with me here calendly.com/typeonetalks Message me directly on Patreon. I respond to every question www.patreon.com/typeonetalks
Here are the 10 mistakes that can cause inaccurate CGM readings, according to this video: 10. Insertion trauma: Applying a new sensor right before the old one expires can help to avoid inaccurate readings during the first 12-24 hours. 9. Not understanding that CGM measures interstitial fluid, not blood sugar: CGM readings are always a little bit delayed compared to blood glucose readings. 8. Sleeping on the sensor: This can put pressure on the sensor and cause false low readings. 7. Using the wrong brand of CGM: Different brands of CGM may work better for different people. 6. Taking too much vitamin C: Vitamin C can falsely raise CGM readings. 5. Inserting the sensor into the muscle: The sensor should be inserted into the fatty part of the back of the upper arm. 4. Comparing CGM readings to glucometer readings too often: This can lead to anxiety and frustration. 3. Using CGM in extreme temperatures: Hot temperatures can lead to false high readings, while cold temperatures can lead to false low readings. 2. Not being hydrated enough: Dehydration can lead to false high readings. 1. Not understanding that no CGM is 100% accurate: All CGMs have a margin of error.
I got IV vitamin C in a megadose (like 15 grams) and my blood sugar readings on my libre were crazy high!!! Nobody thought to tell me, and I was so confused!!! Apparently vit C is structured very similarly to glucose so the CGMs read it as such.
Thank you again for sharing your experiments. I am pre diabetic and have experienced exactly what you have personally experienced/ experimented with. Thank you also for experimenting with LFWFPB. My mother and mother in law are both typeII and I have always asked them to be sure and finger stick before taking insulin or drinking OJ when CGM shows too high or too low. I helped my mother in law lose 100 pounds and she was successfully off of fast acting insulin! She can't walk too far so I told her to just move her arms up to the side like sitting jumping jax and it brings her glucose down, as well as when she drinks more water. Thank you for posting this very important video.
If you catch the CGM on a door frame, it's possible for it to pull enough to dislodge the filament without quite pulling loose the adhesive. This will leave it looking good but you may get disastrously low readings.
So might the consistently lower readings be the sign that the sensor isn't inserted properly? Is it then lower by some value (like 2 mmol/l) or a fraction of the real value (say, two thirds, for example)? It's my first experience with a CGM, and the mean near 5 mmol/l and never spiking above 7.5 seem not right, and I would whether in such a case one could apply some correction or might as well just discard the sensor.
Another tip is stated in the paperwork and people don't realize it: Don't calibrate the CGM if your glucose is falling or raising, and only if it's a greater deviation of 20 mg/dL compared to a finger check. Thanks for some of these tips I didn't know. My life has been better with a CGM (Dexcom G6), hardly ever check my glucose with a meter anymore. Makes me feel more human when complimented with an insulin pump.
Very interesting! Regarding the Vitamin C: I do not have any problems with the Dexcom G6. If you do run into issues I would strongly suggest rather to switch the CGM system instead of stopping to take the vitamin as is so essential for so many processes in our body.
The libre does not take its glucose level from blood but the interstatial area around the blood cell and this lags the blood by approx 10 min. The change in the blood ALWAYS leads the chang in inerstatial whether it is rising or falling, this can sometimes cause confusion at the end of a trend. Say the number show you at and a falling arrow you wld expect the blood to be even lower as it always leads. However when you check the blood just after the sensor reading it is higher NOT lower, the reason is the status has changed and glucose ids rising but that change is not yet being shown in the interstatial layer. This why the instructions tell you on a low to always confirm it with a finger prick before reacting with something to push your glucose up.
Oranges are very high in sugar and I have to limit to (a single) tangerines because I have reactive hypoglycemia that can make me pass out. Meditation is great for lowering blood sugar up to 30 points. Anxiety raises sugars.
Excellent video as usual! Very informative. I'm using a Freestyle Libre 2 and every time I start a new sensor I get the warning about Vitamin C, but I hadn't seen any details about what impact taking too much Vitamin C would have on the CGM. Thanks for doing so much research and sharing it with us!
Putting your CGM on 24 hours before it's needed also works for me. The downside is that, with the libre 2 at least, i find that i sometimes get premature failures on day 13. Seems that 14 day battery life really is a hard limit.
A few months ago, I switched from the FS2 to the DG7. I was able to prove what I feared by wearing both devices for about 10 days. The FS2 was alway 35-75 points off. Because of that, I was having serious vision issues to the point the eye doctor had me take a brain scan (it was clear). The G7 for me is incredible and I love it. Also, on point 2 of your video, I recently discovered how true and correct you are about hydration and the effect it has on accuracy. You are right on that one as well. Thank You for all the time you make doing these videos. I will be subscribing to Patreon very son. Thank you Tom.
CGM makers are not held to a high enough standard. That is the real issue. They make a fortune from us and they get to blame the users for being too skinny, too heavy, irresponsibly eating an orange, exercising, not exercising, etc. And we actually let them do it. The wildly inaccurate readings are used by algorithms for Omnipod and others. I have to do numerous fingersticks daily and manually input correct glucose levels to achieve any kind of control.
It’s frustrating but I’m not sure what they could do better. As for the unreliability, there are limitations with the technology, and the manufacturers generally will replace the sensor or out goes wrong - even if it is your fault. As for the algorithms, I agree they could be improved, but given the implications on people’s health and the dangers of low hypos, I imagine they have to be really cautious on how intelligent the algorithms can be.
I’m an EE, I tore down the Libre 1 the total bill of materials is ridiculously low. The main microprocessor costs $1.40 in 1000 pieces. There’s a few passive parts that cost literal pennies, a thermistor, and a battery. The circuit board is 2 layers maybe 5 cents. I can’t account for the filament cost or the inserter but it if I had to guess the entire Libre 1 system costs $5 all up with packaging.
@@JamesReedyyup. But that’s not the way medical consumables work. You could tear down some new drug to prove the base chemicals cost pennies instead of the hundreds of wherever currency you use. It’s all about recouping the original development cost and of course driving a profit. Hopefully because they are easy to replicate (easier than discovering a new drug) some competitor can drive down the price a bit. I guess, the analogy with drugs is different as you can’t make a “generic” version - the tech is only useful when there is an app, an integrated pump etc.
@@petervanholland6667 ohh for sure, I did a brief stint in the medical devices sector (hearing aids) and the costs are atrocious. They said diabetes is hyper prevelent and even non-diabetics would do well to try a CGM for information about their own patterns. The costs could be driven way way down. Also the risk profile of the CGM is low…not so much for chemical compounds.
Another awesome video, thanks for your effort! I have tried the Libre 1 cgm and i have experienced most of the things that you said. The most important thing, for me, is that we have to focus on the glucose trend (the direction and speed that our glucose is changing).
Well, there was a lot of very specific and real-world information in this video, you covered a lot of perceptions people have about the accuracy and the numbers they see on their meters both the CGM and the glucose monitoring systems we all have. You provided some great real-world reasoning and research into why there are real reasons why these CGM sensors read differently. And it is probably a surprising revelation to the average person that the CGM sensor is not actually reading your blood sugar level from your blood, it has a different method. After 35 years of being an insulin-dependent diabetic, the disease seems to have progressed to a point where I do need a CGM, but, the ongoing expense puts this device out of reach at this time. but seeing this video and others that you have created, is very important to me in information in order to make decisions and have a greater understanding of these devices and some interesting things that you have expressed about having diabetes in your past video history. I approach my diabetes and administering insulin in a very analytical way, which I believe you are also doing when you create your videos and express your findings on subjects like the CGM and other things concerning diabetes and its management. This video really gave fantastic information about these devices.
This is a great video. Thanks. One more tip, if you take Tylenol (acetaminophen) or paracetamol that drug can interfere with the sensor reading. The readings can be falsely high.
I had trouble with the Freestyle Libre 3 while I was on a backpacking trip. TWO of the sensors fell off within an hour of application. It appears (obvious in hindsight) that applying a new sensor when I got up, then starting my day's hike, was not a good idea. After discussing it with the doctor's office, we determined that I needed to put the sensor on at night before going to sleeping bag (like going to bed, except out on the trail) to allow the adhesive time to bond well before I started sweating. After that, I had no problem. (And Abbott Labs did replace the two sensors.) Of your tips, the one about compression seems to be the one I may have been guilty of. Since m doctor only has me using 1 sensor per quarter year, I can always put it on the back of the arm that I'm less likely to sleep on, since I do often sleep on my side. Great tips! Thanks.
Have G7. Dexcom said I could go back to G6 with a script from Doctor. I was complaining about compression lows all night every night. Have thin arms. Will try to place under arm as in video and see if that helps. Would be hard to go back to 2 hour warm up on the G6. And the transmitter etc. also have knocked a few G7 off which never happened with G6
I have only used the Libre Freestyle 2 which gives me consistent readings that are 80-90 points too high every time. 80-90 points high reading could cause major problems for users making treatment decisions based on what they read off of a Libre 2. All seven of these Libre 2's were new and inserted correctly as per instructions. I drink at least 100 oz of water daily and use zero Vitamin C. The Libre 2 is the only CGM covered by my insurance so I have not been able to try any other brands of CGM's. Strangely enough I had a Libre Freestyle 2 that was 20 months old. I decided to try the old meter when a new one failed. The old Libre 2 turned out to be the only one that was spot on accurate. Go figure? Not sure if the issue is my body or a failed product. I called Abbott and spoke with a Rep who was following a flowchart he was reading. The Rep was absolutely clueless. After 45 minutes I made the decision to terminate the waste of time phone call.
Thanks for pointing out all the possible problems with CGMs. I have considered getting one from time to time, but after watching this I'll stick to my glucometer!
At least you enjoyed a glass of OJ. I miss Orange Juice so much! And bananas! Is my CGM lying to me? Yes, yes sir, it is. LOL I have fallen in love with your wry, subtle sense of humor and facial expressions (and the hilarity of the gangsta persona you had in your "7 sites for Dexcom G6"). I wasn't expecting to laugh out loud at a glucose/dexcom video. Thank you for bringing lighthearted personality to a sometimes frustrating and serious life situation that we go through with Diabetes. It can be angering that for a product that only works for 10 days and is sometimes a bit traumatic and costs an arm or leg, that it creates crazy discrepancies. I wish I had a glucose assistant, particularly to insert and remove my meter. LOL
On my arm it’s well off, but I body build and have no fat there , after much moving about and testing - my best location is on the inside up my upper leg, also less easy to knock it off - 90% of the time matches finger prick perfectly
Have you experienced issues with high readings after exercise? My readings can be 6 mmol/l then 20 minutes after exercise can go around 20 mmol/l. The wierd bit is normally I would have to take 4 units of rapid insulin to correct this but if I do nothing after around 4 hours it comes back down to where it was and lower. This is normally in the evenings when I exercise a couple of hours after dinner. If I exercise in the morning after breakfast this does not happen. I normally cycle around 90 minutes each time
I ride my bike usually after lunch and I get back to home before dinner. I have few times had it to rise after exercise. Before meal I measure always from fingertip with real glucometer too. One time the dexom one was showing something 7mmol/l, but the gllucometer showed 17 mmol/l. Then I measured again after about some minutes and it had already dropped to 12mmol/l. But it is known that exercise can bring blood sugar up. So I guess it's normal. I think it has happened more when I had not bicycled for a week or so. Or if it was shorter ride. When I was cycling on cold weather and stopped halfway for a while. I started to feel chills in wind, then the CGM started to show low and then it just displayed a error message, "problems with sensor" I knew it has to be wrong, because I did not feel low sugar symptoms, also usually I won't have chills when it's so low. Rather feel hot. I was shaking with whole body from chills, so can't be low. When I started ridding it started to show blood sugar values soon again.. and probably they were correct too. I had this happen few times. One time also after ride, because I did not go to shower or change sweaty clothes away right away.. Again I had terrible chills and then it just displayed low on screen at first and then the error message about sensor problem. My initial thoughts were, that it's similar to compression error, because body temperature dropped so rapidly, the blood circulation to arms get cancelled to keep core warm. And with no blood supply to arms it has to go low, but not sure.. Later I read that very hot and cold can affect the reading. Yes when I go to hot shower it always go up a little bit and then after shower lowers, but I onetime compared with blood sugar from finger tip and also there it was higher right after hot shower and went down together with CGM.
Vitamin C in high doses can also affect readings from a glucometer and test strips. I use liposomal vitamin C, and have no such problems, but this might not work for everyone.
This has always been a concern of mine with these cgm. When your on a pump that relies on this data for dosing if it’s off either way you can get into some trouble. Hopefully one day a company can produce a more accurate and reliable way off doing it. I use Dex g6 but I always do and trust finger pricks
My daughter has been type1 for 7 months now and i greatly appreciate you and all your videos! I’ve learned so much Thank you from the bottom of my heart ❤
Good information! I watched this and checked my glucose with my finger prick monitor. It was 95. I did a second reading in another finger and got 94. But my CGM said 135! I’m type 2, so I really didn’t think I needed to use the finger prick as well. Of course, while I’m writing this, my CGM is going down fast. I had been lying down on the couch. I wasn’t on the CGM though. Now my CGM says 92. Wow. So glad I watched this.
Just subscribed to your channel, because I've just started using a CGM. I've been Type 2 since around 2014. I stopped using Metformin in May, substituting it with Inositol and Berberine. I feel so much better without the Metformin - no more GI distress, despite using Berberine. I want to see how effective the inositol/Berberine combination compared to Metformin. The numbers weren't great during the first three months. On the high end of test results for Metformin. This -seems- to indicate, that my inositol/berberine combo was working, but not "better" than Metformin. These last 2 weeks seem to confirm thisb - the GMI of 2 weeks was +/- my HbA1c from 3 months ago. So we'll see how this goes. My GP is "new" to CGMs, so is giving me FeeStyle Libre 2 for free. And because I'm a geek, I'm paying for a Sibionics for 6 weeks.
thnks for the tips about not taking too much vitamin C, not drinking enough water, sleeping on the sensor which causes a lower false reading. good stuff to know!
YES! I read this about 4 months ago and was shocked. Haven’t purchased any since. Currently, waiting for a refund. Which, according to Freestyle Libra it takes 5-8(?)weeks if they refund anything at all…
10 i didn't think was an option because of time use from activation. 6 i didn't no at all. Hadn't seen it or realised it. Thanks so much for keeping us updated. 👍
Ugh, couldn't agree more! That bleeping thing, as in insert a bad word, and that was what it was doing all night. One time it even said it was low, as in 3.1 or 3.0 or lower! Then it kept losing the signal. Had higher than I wanted blood sugar 10, not that bad, but still, it might have been avoided if I hunted for my meter and did the check, before I had OJ, candy, and a Dextrose tablet, I might have avoided it. Yup, 3 hours and 3 minutes of sleep poor score, according to my Fitbit, thanks, Dexcom g6, appreciate it!
🎯 Key points for quick navigation: 00:00:05 *📊 A precisão dos monitores contínuos de glicose (CGM) como Freestyle Libre e Dexcom pode variar significativamente em relação aos medidores tradicionais de glicose.* 00:01:08 *⏳ A precisão dos sensores CGM é menor nas primeiras 12 a 24 horas após a inserção.* 00:02:30 *🔄 CGM mede glicose do fluido intersticial, resultando em leituras com atraso de 5 a 10 minutos em comparação ao sangue.* 00:03:43 *💤 A pressão durante o sono pode causar leituras incorretas chamadas de "compressão baixa"; mudar de posição pode corrigir isso.* 00:05:05 *🔄 Não existe um CGM perfeito; pode ser necessário experimentar diferentes marcas para encontrar o mais adequado.* 00:06:14 *🍊 Altas doses de vitamina C podem elevar falsamente as leituras do sensor CGM, aumentando o risco de hipoglicemia não detectada.* 00:07:23 *🔍 A colocação adequada do sensor no braço é importante; deve ser inserido na parte gorda e não diretamente no músculo.* 00:08:21 *🔄 A hidratação adequada é crucial, pois a desidratação pode causar leituras incorretas do sensor.* 00:12:18 *⚖️ Nenhum medidor, seja CGM ou tradicional, é 100% preciso o tempo todo; sempre haverá uma margem de erro nas leituras.* Made with HARPA AI
is there any place where people talk about their cgm results and try to make sense of this new data? I am 2 weeks in to using cgm and I am overwhelmed with what seems completely random nature of when my blood sugar stays high, when it plummets in the night (and why), and other questions. My endocrinologist only meets me once every 4 months and I do not want to wait that long to get some clue about what I am doing with this cgm.
Thank you for your question. There are many communities online but I am hesitant to recommend any as not all of them are a reliable source of information. I am working on a program of my own to teach this information. Currently in progress. Thank you for watching!
My doctor spend over a 1/2 hour minimum going over the switch to a CGM from the glucose meter. Explained each point this guy made. Pointed out in the instructions about high doses of Vit C. Explained a meter reading whole blood, and CHM. The fluid and the effects of being dehydrated and giving false highs because of concentration in the fluid. Talk with your doctor. Get this information directly. This guy is putting up general info as a means of content to hawk the monitor company. He’s a paid shill.
I use my DX7 only as an alarm. It will let me know if blood sugar reading is high or low but then I prick my finger. I trust my meter and inject accordingly.!
You are very right with the number 2 after 3 weeks of using the free style libre I noticed when I drink more water the readings are definitely more accurate
Hi, I have a quick question. Every time I shower, I cover the Transmitter with a large water proof bandage. How do you handle water proofing your thingie?
I clean the area with alcohol pad, then apply sensor once the area has dried. Never use waterproofing for showers. Just make sure I'm gentle and careful rubbing around the sensor with wash cloth. Libre 2 sensors used to come with 2 alcohol pads. Abbott stopped including them😮
For Dexcom G6 the trend arrow is not as useful as it too lags. I always estimate my own arrow by using the graph as it is always after eating or exercise not very reliable. Sometimes it can be two arrows down, but if you look at the graph it has basically cut the drop and levelled out.
I use the libre view 2. It does automatic updates to my phone every minute. But it is often wrong and doesn't catch up with the blood meter monitor. I wouldn't rely on it totally and definitely wouldn't want one hooked up to an insulin pump. Knowing it's short coming it's still very helpful.
I made almost all these mistakes as well. I have also recently discovered that covering the CGM with a full overpatch also affects the readings significantly. Those holes on top need to be exposed.
I got VERY frustrated with my Freestlye Libre 2 giving me errors every morning, as my blood glucose would be rapidly changing. You would think that this is when you would most likely be needing it……
I am trying to learn the lesson, don't freak out every time the cgm alarms go off. I am about 40% in target range, so the high blood sugar alarms go off frequently. I hope I can figure out what I am eating wrong that is leading to these high numbers. I basically do nothing when the readings are high. I know I should go out for a walk, but I am not there yet. Other than drinking water and skipping meals, what can be done for high blood sugar?
Take into account the glysemic index of the food and the time it takes the insulin the be absorbed in the body. If you are eating something with a high glycemic index it might help to inject insulin at least 15 minutes before you eat. Certainly more if your blood sugar is already high to begin with.
I don't know why I never thought to put the new sensor on the day before it's supposed to be changed. Awesome thanks! Also, where do you get the meter behind you that tells what your bg is ? I would love one of those.!
Hi Tom I am a new user of the Freestyle Libre 2. On my first scan (Tuesday) my reading was 7.7, so I then did a blood test on my meter, it came out as 7.5. I was surprised on how accurate it was :)
Another great video! One of the most recent issues I've been experiencing is crazy alarms, i.e., the librelink app sends me a hipo and/or hiper alarm (normally significantly high or low values), which I'll run fast to correct. But after 5 minutes, when I check the app the values are normal and those peaks that I received an alarm about are not even registered in the graph. As anyone experienced the same?
Washing hands and letting them dry off prior to testing will give a more accurate blood sugar reading in most cases by removing any foreign substances that could throw off or result in false readings.
I see you pointing over your right shoulder (I think) to link to a video about using the right technique but no link actually shows up there (on my iPhone). Can you provide the name of it and I will search for it? Thanks. All your videos are very helpful.
Fantastic list, Thank You! One question, when I add the sensor before expiry of the initial device? "pre-soak" I still using the Dexcom G6 as the newer ones are not covered yet. If I I place the sensor on without the transmitter, prior to expiry of the initial unit, then the chance of foreign body entering the empty space where the transmitter is pleased?
I get the same reading from my Libre 2 device but I finally learned how to finger prink so I just do that to see my real numbers. But you do have to wait a while when you first change your censor to compare and definitely drink a lot of water wearing your censor.
I used freestyle libre 2 but I live in Asia and the libre from US doesn’t work. I have to buy the Asian version. Is sibionics also based on country to country? Good thing I bought my iPhone from HK. So I can download the reader app.
Hello (Type One), I am (Type Two), you have CGM covered, what is your angle on looking after Blood Pressure for your health & performance, question mark....
I have heard that taking vitamin D is very important for the immune system to fight anything with a 19 to it. You didn’t mention that you can after doing a finger prick put that number into the calibration to help the CGM
I’m pre-diabetic and listened to your suggestion of early workouts. I started 3 times a week, light weights, 10 & 15 lbs. what can I eat as a pre-workout that is low in sugar?
Anyone use the freestyle Libre 3 with the following issue? I have gotten completely inaccurate readings of 30-40 below actual finger sticks readings of below 110. It’s only 1-4 off when above 110. This is day or night with none of the mentioned mistakes and has been happening with my last 6 CGMs used. My first couple seemed fine but at that time my glucose levels weren’t within my target range. It’s only when I started getting in range that I notice it reading waaay lower than actual and it keeps screaming at me that my glucose is critically low when it’s not.
My experience with the Libre 3 has been the same. Those stupid alarms screaming all the time for false low blood sugar was more hassle than it was worth. Bc the Libre 3 was no more accurate that Libre 2, but it costs 3 time as much, I've gone back to using Libre 2.
I had a message concerning a sensor failure this morning (G7), and it said not to remove the unit, but to wait. It only lost 2 readings, I was sleeping on that side and it sounds like the compression failure that you mention in your videos. I have a question, Is it acceptable to inject insult (rapid acting) near the sensor? Or will it cause false readings?
I have been using cgm (libre 2) for 2 weeks. I have been woken several times in the night. Sometimes by the time I get downstairs to get some food, the cgm reading has gone up 20 points. I wonder if this is compression error.
Even if sometimes off, CGM has made a world of difference to me. I now understand much much better what make glucose go up or down, and especially, how long or fast food, exercise, meds, etc kick in. It's a hugely powerful tool, even tho' I just had to get rid of a faulty sensor after only 10 days (if 14)
I've had 3 "defective" sensors out of the first 3 I used. I've been getting WILDLY inaccurate readings off of my DEXCOM ... including low sugar alarms and loss of signal alarms. NONE of the "supposed" causes for all of this have NOT been the causes of my Dexcom's unreliability and inaccuracy. This is supposed to be a "Medical Device" ... a scientific instrument. Based on it's lack of reliability and accuracy, it is NEITHER! One thing you can say about this device, is that it is merely a very expensive toy. I won't be using this anymore ... too old for "toys".
Issue I have with the CGM and hypo events is that it screams at you but it’s indicating what was going on in your blood 20-30 mins ago. For me, a T2D that is working my way out with diet. I’ve gone from A1C of 6.9 to 6.1 in 5 weeks with diet alone no exercise. That said my carb intake is 85-125g per day and so I’ll get these hypo events sometimes. But what happens is even tho I dip down my liver I guess dumps sugar and I come back up so the issue has passed by the time I know about it. It’ll oscillate a bit, but I don’t stay low for more than 10-15 mins. I guess a T1 or more serious T2 would stay down longer to the extent they need sugar? Or people who are on glucose suppressing drugs are at risk of being driven down when mine is just reactive hypoglycemia?
When the "brand name" devices show different readings from your " gold standard glucometer", you have one thousand and one justificationd. When the same thing happens to some " cheap products", your said they are garbage. Of all you know, at times, you gold standard glucometer or your brand name cgm may be showing garbage compare to the "cheap devices".
sadly I'm not fortunate enough to have the luxury of a cgm such a weird world we live in in my country there is no CGM my country thinks it's a luxury gadget not a necessary no assurance will cover it + u can't buy it out of pocket cause it s unavailable
Get 15% off the Sibionics CGM with this link and code TypeOneTalks15 shareasale.com/r.cfm?b=2576076&u=3016362&m=141989&urllink=&afftrack=
Want to chat ? Book a call with me here calendly.com/typeonetalks
Message me directly on Patreon. I respond to every question www.patreon.com/typeonetalks
This guy should be awarded a noble prize for clarifying so many things regarding cgm.
Here are the 10 mistakes that can cause inaccurate CGM readings, according to this video:
10. Insertion trauma: Applying a new sensor right before the old one expires can help to avoid inaccurate readings during the first 12-24 hours.
9. Not understanding that CGM measures interstitial fluid, not blood sugar: CGM readings are always a little bit delayed compared to blood glucose readings.
8. Sleeping on the sensor: This can put pressure on the sensor and cause false low readings.
7. Using the wrong brand of CGM: Different brands of CGM may work better for different people.
6. Taking too much vitamin C: Vitamin C can falsely raise CGM readings.
5. Inserting the sensor into the muscle: The sensor should be inserted into the fatty part of the back of the upper arm.
4. Comparing CGM readings to glucometer readings too often: This can lead to anxiety and frustration.
3. Using CGM in extreme temperatures: Hot temperatures can lead to false high readings, while cold temperatures can lead to false low readings.
2. Not being hydrated enough: Dehydration can lead to false high readings.
1. Not understanding that no CGM is 100% accurate: All CGMs have a margin of error.
You saved my 14 mins
Always love summary comments on videos.
I got IV vitamin C in a megadose (like 15 grams) and my blood sugar readings on my libre were crazy high!!! Nobody thought to tell me, and I was so confused!!! Apparently vit C is structured very similarly to glucose so the CGMs read it as such.
The directions for use tell you not to take much vitamin C. Read!!!
Thank you again for sharing your experiments. I am pre diabetic and have experienced exactly what you have personally experienced/ experimented with. Thank you also for experimenting with LFWFPB. My mother and mother in law are both typeII and I have always asked them to be sure and finger stick before taking insulin or drinking OJ when CGM shows too high or too low. I helped my mother in law lose 100 pounds and she was successfully off of fast acting insulin! She can't walk too far so I told her to just move her arms up to the side like sitting jumping jax and it brings her glucose down, as well as when she drinks more water. Thank you for posting this very important video.
If you MIL could go off her insulin at all she is not a Typ1. She is insulin dependent Type 2.
If you catch the CGM on a door frame, it's possible for it to pull enough to dislodge the filament without quite pulling loose the adhesive. This will leave it looking good but you may get disastrously low readings.
Don’t bump into door frames lol. Watch where you going.
So might the consistently lower readings be the sign that the sensor isn't inserted properly? Is it then lower by some value (like 2 mmol/l) or a fraction of the real value (say, two thirds, for example)? It's my first experience with a CGM, and the mean near 5 mmol/l and never spiking above 7.5 seem not right, and I would whether in such a case one could apply some correction or might as well just discard the sensor.
I will rate this video as one of the top five most helpful videos that i have watched from you. Thank you so much for this one.
Another tip is stated in the paperwork and people don't realize it: Don't calibrate the CGM if your glucose is falling or raising, and only if it's a greater deviation of 20 mg/dL compared to a finger check.
Thanks for some of these tips I didn't know. My life has been better with a CGM (Dexcom G6), hardly ever check my glucose with a meter anymore. Makes me feel more human when complimented with an insulin pump.
This is so helpful!!! I wish someone had told me all these things like 10 years ago when I got a freestyle libre for the first time
!!
Very interesting! Regarding the Vitamin C: I do not have any problems with the Dexcom G6. If you do run into issues I would strongly suggest rather to switch the CGM system instead of stopping to take the vitamin as is so essential for so many processes in our body.
You are awesome man, I finally figured out why I was having low reading during night when my glucose was good. Thank you
The libre does not take its glucose level from blood but the interstatial area around the blood cell and this lags the blood by approx 10 min. The change in the blood ALWAYS leads the chang in inerstatial whether it is rising or falling, this can sometimes cause confusion at the end of a trend.
Say the number show you at and a falling arrow you wld expect the blood to be even lower as it always leads. However when you check the blood just after the sensor reading it is higher NOT lower, the reason is the status has changed and glucose ids rising but that change is not yet being shown in the interstatial layer. This why the instructions tell you on a low to always confirm it with a finger prick before reacting with something to push your glucose up.
This is a great video, thankyou so much :)
I have so much anxiety regarding my CGM and glucose readings
Oranges are very high in sugar and I have to limit to (a single) tangerines because I have reactive hypoglycemia that can make me pass out. Meditation is great for lowering blood sugar up to 30 points. Anxiety raises sugars.
Excellent video as usual! Very informative. I'm using a Freestyle Libre 2 and every time I start a new sensor I get the warning about Vitamin C, but I hadn't seen any details about what impact taking too much Vitamin C would have on the CGM. Thanks for doing so much research and sharing it with us!
I learned this the hard way when I got IV vitamin C years ago. I was so shocked and confused!
Putting your CGM on 24 hours before it's needed also works for me. The downside is that, with the libre 2 at least, i find that i sometimes get premature failures on day 13. Seems that 14 day battery life really is a hard limit.
A few months ago, I switched from the FS2 to the DG7. I was able to prove what I feared by wearing both devices for about 10 days. The FS2 was alway 35-75 points off. Because of that, I was having serious vision issues to the point the eye doctor had me take a brain scan (it was clear). The G7 for me is incredible and I love it. Also, on point 2 of your video, I recently discovered how true and correct you are about hydration and the effect it has on accuracy. You are right on that one as well. Thank You for all the time you make doing these videos. I will be subscribing to Patreon very son. Thank you Tom.
CGM makers are not held to a high enough standard. That is the real issue. They make a fortune from us and they get to blame the users for being too skinny, too heavy, irresponsibly eating an orange, exercising, not exercising, etc. And we actually let them do it. The wildly inaccurate readings are used by algorithms for Omnipod and others. I have to do numerous fingersticks daily and manually input correct glucose levels to achieve any kind of control.
It’s frustrating but I’m not sure what they could do better. As for the unreliability, there are limitations with the technology, and the manufacturers generally will replace the sensor or out goes wrong - even if it is your fault. As for the algorithms, I agree they could be improved, but given the implications on people’s health and the dangers of low hypos, I imagine they have to be really cautious on how intelligent the algorithms can be.
I’m an EE, I tore down the Libre 1 the total bill of materials is ridiculously low. The main microprocessor costs $1.40 in 1000 pieces. There’s a few passive parts that cost literal pennies, a thermistor, and a battery. The circuit board is 2 layers maybe 5 cents. I can’t account for the filament cost or the inserter but it if I had to guess the entire Libre 1 system costs $5 all up with packaging.
@@JamesReedyyup. But that’s not the way medical consumables work. You could tear down some new drug to prove the base chemicals cost pennies instead of the hundreds of wherever currency you use. It’s all about recouping the original development cost and of course driving a profit.
Hopefully because they are easy to replicate (easier than discovering a new drug) some competitor can drive down the price a bit. I guess, the analogy with drugs is different as you can’t make a “generic” version - the tech is only useful when there is an app, an integrated pump etc.
@@petervanholland6667 ohh for sure, I did a brief stint in the medical devices sector (hearing aids) and the costs are atrocious. They said diabetes is hyper prevelent and even non-diabetics would do well to try a CGM for information about their own patterns. The costs could be driven way way down.
Also the risk profile of the CGM is low…not so much for chemical compounds.
Try Abbott free style libre 1
Another awesome video, thanks for your effort! I have tried the Libre 1 cgm and i have experienced most of the things that you said. The most important thing, for me, is that we have to focus on the glucose trend (the direction and speed that our glucose is changing).
Well, there was a lot of very specific and real-world information in this video, you covered a lot of perceptions people have about the accuracy and the numbers they see on their meters both the CGM and the glucose monitoring systems we all have. You provided some great real-world reasoning and research into why there are real reasons why these CGM sensors read differently. And it is probably a surprising revelation to the average person that the CGM sensor is not actually reading your blood sugar level from your blood, it has a different method. After 35 years of being an insulin-dependent diabetic, the disease seems to have progressed to a point where I do need a CGM, but, the ongoing expense puts this device out of reach at this time. but seeing this video and others that you have created, is very important to me in information in order to make decisions and have a greater understanding of these devices and some interesting things that you have expressed about having diabetes in your past video history. I approach my diabetes and administering insulin in a very analytical way, which I believe you are also doing when you create your videos and express your findings on subjects like the CGM and other things concerning diabetes and its management. This video really gave fantastic information about these devices.
This is a great video. Thanks. One more tip, if you take Tylenol (acetaminophen) or paracetamol that drug can interfere with the sensor reading. The readings can be falsely high.
I had trouble with the Freestyle Libre 3 while I was on a backpacking trip. TWO of the sensors fell off within an hour of application. It appears (obvious in hindsight) that applying a new sensor when I got up, then starting my day's hike, was not a good idea. After discussing it with the doctor's office, we determined that I needed to put the sensor on at night before going to sleeping bag (like going to bed, except out on the trail) to allow the adhesive time to bond well before I started sweating. After that, I had no problem. (And Abbott Labs did replace the two sensors.)
Of your tips, the one about compression seems to be the one I may have been guilty of. Since m doctor only has me using 1 sensor per quarter year, I can always put it on the back of the arm that I'm less likely to sleep on, since I do often sleep on my side. Great tips! Thanks.
Laying on the sensor is the worst. I’ve discovered all of these points as well.
Have G7. Dexcom said I could go back to G6 with a script from Doctor. I was complaining about compression lows all night every night. Have thin arms. Will try to place under arm as in video and see if that helps. Would be hard to go back to 2 hour warm up on the G6. And the transmitter etc. also have knocked a few G7 off which never happened with G6
I have only used the Libre Freestyle 2 which gives me consistent readings that are 80-90 points too high every time. 80-90 points high reading could cause major problems for users making treatment decisions based on what they read off of a Libre 2. All seven of these Libre 2's were new and inserted correctly as per instructions.
I drink at least 100 oz of water daily and use zero Vitamin C. The Libre 2 is the only CGM covered by my insurance so I have not been able to try any other brands of CGM's.
Strangely enough I had a Libre Freestyle 2 that was 20 months old. I decided to try the old meter when a new one failed. The old Libre 2 turned out to be the only one that was spot on accurate. Go figure?
Not sure if the issue is my body or a failed product. I called Abbott and spoke with a Rep who was following a flowchart he was reading. The Rep was absolutely clueless. After 45 minutes I made the decision to terminate the waste of time phone call.
Thanks for pointing out all the possible problems with CGMs. I have considered getting one from time to time, but after watching this I'll stick to my glucometer!
At least you enjoyed a glass of OJ. I miss Orange Juice so much! And bananas! Is my CGM lying to me? Yes, yes sir, it is. LOL I have fallen in love with your wry, subtle sense of humor and facial expressions (and the hilarity of the gangsta persona you had in your "7 sites for Dexcom G6"). I wasn't expecting to laugh out loud at a glucose/dexcom video. Thank you for bringing lighthearted personality to a sometimes frustrating and serious life situation that we go through with Diabetes. It can be angering that for a product that only works for 10 days and is sometimes a bit traumatic and costs an arm or leg, that it creates crazy discrepancies. I wish I had a glucose assistant, particularly to insert and remove my meter. LOL
On my arm it’s well off, but I body build and have no fat there , after much moving about and testing - my best location is on the inside up my upper leg, also less easy to knock it off - 90% of the time matches finger prick perfectly
Have you experienced issues with high readings after exercise? My readings can be 6 mmol/l then 20 minutes after exercise can go around 20 mmol/l. The wierd bit is normally I would have to take 4 units of rapid insulin to correct this but if I do nothing after around 4 hours it comes back down to where it was and lower. This is normally in the evenings when I exercise a couple of hours after dinner. If I exercise in the morning after breakfast this does not happen. I normally cycle around 90 minutes each time
I ride my bike usually after lunch and I get back to home before dinner. I have few times had it to rise after exercise. Before meal I measure always from fingertip with real glucometer too. One time the dexom one was showing something 7mmol/l, but the gllucometer showed 17 mmol/l. Then I measured again after about some minutes and it had already dropped to 12mmol/l.
But it is known that exercise can bring blood sugar up. So I guess it's normal.
I think it has happened more when I had not bicycled for a week or so. Or if it was shorter ride.
When I was cycling on cold weather and stopped halfway for a while. I started to feel chills in wind, then the CGM started to show low and then it just displayed a error message, "problems with sensor" I knew it has to be wrong, because I did not feel low sugar symptoms, also usually I won't have chills when it's so low. Rather feel hot. I was shaking with whole body from chills, so can't be low. When I started ridding it started to show blood sugar values soon again.. and probably they were correct too.
I had this happen few times. One time also after ride, because I did not go to shower or change sweaty clothes away right away.. Again I had terrible chills and then it just displayed low on screen at first and then the error message about sensor problem.
My initial thoughts were, that it's similar to compression error, because body temperature dropped so rapidly, the blood circulation to arms get cancelled to keep core warm. And with no blood supply to arms it has to go low, but not sure.. Later I read that very hot and cold can affect the reading. Yes when I go to hot shower it always go up a little bit and then after shower lowers, but I onetime compared with blood sugar from finger tip and also there it was higher right after hot shower and went down together with CGM.
Vitamin C in high doses can also affect readings from a glucometer and test strips. I use liposomal vitamin C, and have no such problems, but this might not work for everyone.
This has always been a concern of mine with these cgm. When your on a pump that relies on this data for dosing if it’s off either way you can get into some trouble. Hopefully one day a company can produce a more accurate and reliable way off doing it. I use Dex g6 but I always do and trust finger pricks
My daughter has been type1 for 7 months now and i greatly appreciate you and all your videos! I’ve learned so much Thank you from the bottom of my heart ❤
Thanks for this video. I knew these but had temporarily forgotten some. I needed this reminder.
This is excellent information - thanks so much for researching and sharing!
My daughter's dexcom one sensor have calibration function in phone app which helps improve accuracy a lot
Good information! I watched this and checked my glucose with my finger prick monitor. It was 95. I did a second reading in another finger and got 94. But my CGM said 135! I’m type 2, so I really didn’t think I needed to use the finger prick as well. Of course, while I’m writing this, my CGM is going down fast. I had been lying down on the couch. I wasn’t on the CGM though. Now my CGM says 92. Wow. So glad I watched this.
I put the sensor on my inner upper arm...no problems...
Also you must use protective coverings if you are active at all!
Just subscribed to your channel, because I've just started using a CGM. I've been Type 2 since around 2014. I stopped using Metformin in May, substituting it with Inositol and Berberine. I feel so much better without the Metformin - no more GI distress, despite using Berberine. I want to see how effective the inositol/Berberine combination compared to Metformin. The numbers weren't great during the first three months. On the high end of test results for Metformin. This -seems- to indicate, that my inositol/berberine combo was working, but not "better" than Metformin. These last 2 weeks seem to confirm thisb - the GMI of 2 weeks was +/- my HbA1c from 3 months ago. So we'll see how this goes. My GP is "new" to CGMs, so is giving me FeeStyle Libre 2 for free. And because I'm a geek, I'm paying for a Sibionics for 6 weeks.
I have watched many of your TH-cam videos. The video about CGM’s was most informative and helpful. THANK YOU!!!
thnks for the tips about not taking too much vitamin C, not drinking enough water, sleeping on the sensor which causes a lower false reading. good stuff to know!
YES! I read this about 4 months ago and was shocked. Haven’t purchased any since. Currently, waiting for a refund. Which, according to Freestyle Libra it takes 5-8(?)weeks if they refund anything at all…
10 i didn't think was an option because of time use from activation.
6 i didn't no at all. Hadn't seen it or realised it.
Thanks so much for keeping us updated. 👍
My freestyle 3 has a vitamin c warning every time i change a sensor
Thx for explanation . It's help me to make decision, keep me away from it.
Ugh, couldn't agree more! That bleeping thing, as in insert a bad word, and that was what it was doing all night. One time it even said it was low, as in 3.1 or 3.0 or lower! Then it kept losing the signal. Had higher than I wanted blood sugar 10, not that bad, but still, it might have been avoided if I hunted for my meter and did the check, before I had OJ, candy, and a Dextrose tablet, I might have avoided it. Yup, 3 hours and 3 minutes of sleep poor score, according to my Fitbit, thanks, Dexcom g6, appreciate it!
🎯 Key points for quick navigation:
00:00:05 *📊 A precisão dos monitores contínuos de glicose (CGM) como Freestyle Libre e Dexcom pode variar significativamente em relação aos medidores tradicionais de glicose.*
00:01:08 *⏳ A precisão dos sensores CGM é menor nas primeiras 12 a 24 horas após a inserção.*
00:02:30 *🔄 CGM mede glicose do fluido intersticial, resultando em leituras com atraso de 5 a 10 minutos em comparação ao sangue.*
00:03:43 *💤 A pressão durante o sono pode causar leituras incorretas chamadas de "compressão baixa"; mudar de posição pode corrigir isso.*
00:05:05 *🔄 Não existe um CGM perfeito; pode ser necessário experimentar diferentes marcas para encontrar o mais adequado.*
00:06:14 *🍊 Altas doses de vitamina C podem elevar falsamente as leituras do sensor CGM, aumentando o risco de hipoglicemia não detectada.*
00:07:23 *🔍 A colocação adequada do sensor no braço é importante; deve ser inserido na parte gorda e não diretamente no músculo.*
00:08:21 *🔄 A hidratação adequada é crucial, pois a desidratação pode causar leituras incorretas do sensor.*
00:12:18 *⚖️ Nenhum medidor, seja CGM ou tradicional, é 100% preciso o tempo todo; sempre haverá uma margem de erro nas leituras.*
Made with HARPA AI
is there any place where people talk about their cgm results and try to make sense of this new data? I am 2 weeks in to using cgm and I am overwhelmed with what seems completely random nature of when my blood sugar stays high, when it plummets in the night (and why), and other questions. My endocrinologist only meets me once every 4 months and I do not want to wait that long to get some clue about what I am doing with this cgm.
Thank you for your question. There are many communities online but I am hesitant to recommend any as not all of them are a reliable source of information. I am working on a program of my own to teach this information. Currently in progress. Thank you for watching!
My doctor spend over a 1/2 hour minimum going over the switch to a CGM from the glucose meter. Explained each point this guy made. Pointed out in the instructions about high doses of Vit C. Explained a meter reading whole blood, and CHM. The fluid and the effects of being dehydrated and giving false highs because of concentration in the fluid. Talk with your doctor. Get this information directly.
This guy is putting up general info as a means of content to hawk the monitor company. He’s a paid shill.
Very informative… thanks
I use my DX7 only as an alarm. It will let me know if blood sugar reading is high or low but then I prick my finger. I trust my meter and inject accordingly.!
Thanks for the information, it’s very helpful
Thanks
Thank you!
I throughly appreciate your videos. You are helping so many people in an enormous way.
You are very right with the number 2 after 3 weeks of using the free style libre I noticed when I drink more water the readings are definitely more accurate
Hi, I have a quick question. Every time I shower, I cover the Transmitter with a large water proof bandage. How do you handle water proofing your thingie?
I clean the area with alcohol pad, then apply sensor once the area has dried. Never use waterproofing for showers. Just make sure I'm gentle and careful rubbing around the sensor with wash cloth. Libre 2 sensors used to come with 2 alcohol pads. Abbott stopped including them😮
For Dexcom G6 the trend arrow is not as useful as it too lags. I always estimate my own arrow by using the graph as it is always after eating or exercise not very reliable.
Sometimes it can be two arrows down, but if you look at the graph it has basically cut the drop and levelled out.
I use the libre view 2. It does automatic updates to my phone every minute. But it is often wrong and doesn't catch up with the blood meter monitor. I wouldn't rely on it totally and definitely wouldn't want one hooked up to an insulin pump. Knowing it's short coming it's still very helpful.
I made almost all these mistakes as well. I have also recently discovered that covering the CGM with a full overpatch also affects the readings significantly. Those holes on top need to be exposed.
I have a dexcom and it has the feature of calibration.
I got VERY frustrated with my Freestlye Libre 2 giving me errors every morning, as my blood glucose would be rapidly changing. You would think that this is when you would most likely be needing it……
It's a scam to make us believe we are worse than we are. Leading to us pumping more insulin when we don't even need it
that is odd when i first tried a libre3, and compared it with a finger stick, it was within 10.
I am trying to learn the lesson, don't freak out every time the cgm alarms go off. I am about 40% in target range, so the high blood sugar alarms go off frequently. I hope I can figure out what I am eating wrong that is leading to these high numbers. I basically do nothing when the readings are high. I know I should go out for a walk, but I am not there yet. Other than drinking water and skipping meals, what can be done for high blood sugar?
Take into account the glysemic index of the food and the time it takes the insulin the be absorbed in the body. If you are eating something with a high glycemic index it might help to inject insulin at least 15 minutes before you eat. Certainly more if your blood sugar is already high to begin with.
I have a few videos on lowering blood sugar. Please check them out!
I don't know why I never thought to put the new sensor on the day before it's supposed to be changed. Awesome thanks! Also, where do you get the meter behind you that tells what your bg is ? I would love one of those.!
Hi Tom I am a new user of the Freestyle Libre 2. On my first scan (Tuesday) my reading was 7.7, so I then did a blood test on my meter, it came out as 7.5. I was surprised on how accurate it was :)
Another great video!
One of the most recent issues I've been experiencing is crazy alarms, i.e., the librelink app sends me a hipo and/or hiper alarm (normally significantly high or low values), which I'll run fast to correct. But after 5 minutes, when I check the app the values are normal and those peaks that I received an alarm about are not even registered in the graph. As anyone experienced the same?
yes
My Dexcom G7 was all over the place. The Freestyle Libre was pretty close.
Have been using a Stelo which seems reasonably accurate
Washing hands and letting them dry off prior to testing will give a more accurate blood sugar reading in most cases by removing any foreign substances that could throw off or result in false readings.
As quick workaround, for example outdoors when no water tap is available, I wipe the first droplet of blood and measure the second droplet.
@@DutchCarnivore That's a great suggestion. Thank you.
I see you pointing over your right shoulder (I think) to link to a video about using the right technique but no link actually shows up there (on my iPhone). Can you provide the name of it and I will search for it? Thanks. All your videos are very helpful.
Fantastic list, Thank You! One question, when I add the sensor before expiry of the initial device? "pre-soak" I still using the Dexcom G6 as the newer ones are not covered yet. If I I place the sensor on without the transmitter, prior to expiry of the initial unit, then the chance of foreign body entering the empty space where the transmitter is pleased?
Mine was off yesterday. I then took regular finfersrick. It wasn't really that hugh.over all I like the Lebre 2. Glad to see you on TH-cam.
Thank you for your videos,they do really help on what to know and learn more about!
Question for you on your freestyle 3 you have trouble getting home of the cop name when you need to My phone or text I like it answer please
My libre 3 is always about 20 points lower than my Blood Glucose Meter.
Just awesome and thanks forsharing your knowledge and experience with us T-1's!
Dexcom G7 always off still finger stick at least 5 to 7 times daily
I get the same reading from my Libre 2 device but I finally learned how to finger prink so I just do that to see my real numbers. But you do have to wait a while when you first change your censor to compare and definitely drink a lot of water wearing your censor.
I used freestyle libre 2 but I live in Asia and the libre from US doesn’t work. I have to buy the Asian version. Is sibionics also based on country to country? Good thing I bought my iPhone from HK. So I can download the reader app.
Hello (Type One), I am (Type Two), you have CGM covered, what is your angle on looking after Blood Pressure for your health & performance, question mark....
I have heard that taking vitamin D is very important for the immune system to fight anything with a 19 to it.
You didn’t mention that you can after doing a finger prick put that number into the calibration to help the CGM
You can have some vitamin C, just not the 1000 mg you would get from EmergenyC or high dose vitamin C tablets
no 500mg ois the max@@juliareidy918
Great information! Thank you!!
Thanks!
Thank you. I place my sensor on the arm I don't sleep on.
I’m pre-diabetic and listened to your suggestion of early workouts.
I started 3 times a week, light weights, 10 & 15 lbs.
what can I eat as a pre-workout that is low in sugar?
Yeah they seem to be really off recently.
How to reapply bcoz sensor remove automatic due to not stick prop8agter 5 days
Were did you get that nightstand Glucose display?
That will do wonders for my OCD
I think it might be sugar pixel.
@@juliareidy918 Found it, thanks.
It's Sugar Pixel. Here is a link where you can get it customtypeone.com/?ref=typeonetalks
I got freestyle 3 my blood sugar is 6.9 I was using tge fingers prick it was 6.1 I was getting mad it was giving me 2 different numbers I was confused
Anyone use the freestyle Libre 3 with the following issue? I have gotten completely inaccurate readings of 30-40 below actual finger sticks readings of below 110. It’s only 1-4 off when above 110. This is day or night with none of the mentioned mistakes and has been happening with my last 6 CGMs used. My first couple seemed fine but at that time my glucose levels weren’t within my target range. It’s only when I started getting in range that I notice it reading waaay lower than actual and it keeps screaming at me that my glucose is critically low when it’s not.
My experience with the Libre 3 has been the same. Those stupid alarms screaming all the time for false low blood sugar was more hassle than it was worth. Bc the Libre 3 was no more accurate that Libre 2, but it costs 3 time as much, I've gone back to using Libre 2.
Yes always a problem at bs in 80’s by fingerstick Wil read very low and alarm goes off. Fs3
Please tell me which one is the best cgm. I'm from. Srilanka
Compression lows😅 Been there🙂 Thx for this video.., and all the others...they are soooo helpful👍💪🙂
I had a message concerning a sensor failure this morning (G7), and it said not to remove the unit, but to wait. It only lost 2 readings, I was sleeping on that side and it sounds like the compression failure that you mention in your videos. I have a question, Is it acceptable to inject insult (rapid acting) near the sensor? Or will it cause false readings?
Don’t inject closer than 3” to sensor.
I have been using cgm (libre 2) for 2 weeks. I have been woken several times in the night. Sometimes by the time I get downstairs to get some food, the cgm reading has gone up 20 points. I wonder if this is compression error.
Yes. it looks like compression low.
The alert alarm on freestyles sound like fire alarms! It's just a changing blood level not a fire
It seems these sensors are not really ready to take accurate readings. Too many issues to trust the results of these sensors.
I always add 15 points to my meter, used to it now.
Even if sometimes off, CGM has made a world of difference to me. I now understand much much better what make glucose go up or down, and especially, how long or fast food, exercise, meds, etc kick in. It's a hugely powerful tool, even tho' I just had to get rid of a faulty sensor after only 10 days (if 14)
I use a glucose meter and record that as my cgm reading and enjoy paying $200/mo for the privilege of using the cgm😮
I've had 3 "defective" sensors out of the first 3 I used. I've been getting WILDLY inaccurate readings off of my DEXCOM ... including low sugar alarms and loss of signal alarms. NONE of the "supposed" causes for all of this have NOT been the causes of my Dexcom's unreliability and inaccuracy. This is supposed to be a "Medical Device" ... a scientific instrument. Based on it's lack of reliability and accuracy, it is NEITHER! One thing you can say about this device, is that it is merely a very expensive toy. I won't be using this anymore ... too old for "toys".
Same. They are useless.
Issue I have with the CGM and hypo events is that it screams at you but it’s indicating what was going on in your blood 20-30 mins ago. For me, a T2D that is working my way out with diet. I’ve gone from A1C of 6.9 to 6.1 in 5 weeks with diet alone no exercise. That said my carb intake is 85-125g per day and so I’ll get these hypo events sometimes.
But what happens is even tho I dip down my liver I guess dumps sugar and I come back up so the issue has passed by the time I know about it. It’ll oscillate a bit, but I don’t stay low for more than 10-15 mins.
I guess a T1 or more serious T2 would stay down longer to the extent they need sugar? Or people who are on glucose suppressing drugs are at risk of being driven down when mine is just reactive hypoglycemia?
What is the problem when the blood sugar is high only in the morning, like 115. But in the day is e.g. 92.
When the "brand name" devices show different readings from your " gold standard glucometer", you have one thousand and one justificationd. When the same thing happens to some " cheap products", your said they are garbage. Of all you know, at times, you gold standard glucometer or your brand name cgm may be showing garbage compare to the "cheap devices".
Fantastic Video , Keep up the great Work.
sadly I'm not fortunate enough to have the luxury of a cgm such a weird world we live in in my country there is no CGM my country thinks it's a luxury gadget not a necessary no assurance will cover it + u can't buy it out of pocket cause it s unavailable