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Rule of Thomas for Hemoglobin A1c Conversion
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- เผยแพร่เมื่อ 16 ก.ค. 2015
- The Rule of Thomas for Hemoglobin A1c Conversion
I love medical eponyms! Is it a delusion of grandeur to think that I could have a medical eponym of my own? Perhaps, but I will try regardless - please take my self-aggrandizement cum grano salis. Without further ado, I present:
"The Rule of Thomas" for quickly calculating average blood glucose levels from Hemoglobin A1C percentages. Use the following formula:
Average Blood Glucose = 120 mg/dL + 30 (HgbA1C% - 6%)
Plug in your variable, namely the Hemoglobin A1C Percentage, and solve the equation. You will be left with an average blood glucose.
For example, your 30 year old patient with type 1 diabetes typically has excellent control of their blood sugar. Because your patient is young and healthy, you encourage them to maintain tight glucose control. You order a blood draw and obtain a hemoglobin A1C level of 6.5%. You would then have to use a table to find what their average blood glucose would be, but if you use the Rule of Thomas, you will be able to calculate the average blood glucose quickly.
Average Blood Glucose = 120 mg/dL + 30 (6.5% - 6%)
Average Blood Glucose = 120 mg/dL + 30 (0.5%)
Average Blood Glucose = 120 mg/dL + 15 mg/dL
Average Blood Glucose = 135 mg/dL
As another example, you have a 58 year old male with type 2 diabetes that is newly diagnosed and poorly controlled. His hemoglobin A1C level prior to treatment is 12%. Using the formula:
Average Blood Glucose = 120 mg/dL + 30 (12% - 6%)
Average Blood Glucose = 120 mg/dL + 30 (6%)
Average Blood Glucose = 120 mg/dL + 180 mg/dL
Average Blood Glucose = 300 mg/dL
As the medical community moves to patient-centered approaches to managing chronic illness, The Rule of Thomas is an easy way for clinicians and patients to understand and work with Hemoglobin A1c levels and their correlating average blood glucose levels. The Rule of Thomas will help patients and clinicians communicate more easily about hemoglobin A1c and glucose levels.
#bloodsugar #diabetes #diabetesmellitus #type2diabetes #bloodglucose #hemoglobinA1c #medicine #clinic #hospital #medicaleponyms #RuleofThomas #endocrine #endocrinology #medicaleducation #patientcentered #patientcommunication
Key Links:
Translating the A1C Assay Into Estimated Average Glucose Values:
care.diabetesjo...
ADA Hemoglobin A1c to Average Glucose Level:
professional.di...
Mayo Clinic Hemoglobin A1c conversion chart:
www.mayoclinic....
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Good stuff. I like it when I learn something new. U my hero today🙏
Rule of Thomas for Hemoglobin A1c conversion to Average Blood Glucose Level - Video
Last week, I had a free afternoon to put together an educational video on a simple way to convert hemoglobin A1C percentage to average blood glucose levels in mg/dL. I call it the "Rule of Thomas", but the Hemoglobin A1C conversion rule also works well. Enjoy! and I hope you learn something about managing diabetes!
#diabetes #hemoglobin #hemoglobinA1c #glucose #video #youtube #bloodglucose #type2diabetes #diabetesmellitus #conversion #RuleOfThomas #medicine #health #wellness
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Paul Thomas Very helpful. My blood sugar is about 124. Type 2. Thanks!
Great…For Americans! but we watch your content all over the planet. In UK we are measured in mmol/L and instructed by doctors in those terms…your mg/dl thing means nothing to me!
i am having the opposite issue. can you tell me the average blood sugar level if it is 13.5
Blood glucose levels & A1C levels are just numbers to novice patients. Patients need to know the effects certain levels of blood glucose have on body functions!
Words aren’t enough for me to show how I grateful I am for helping me to get rid of my Diabetes’s Type 2 Dr Igudia.
My tested few weeks ago 4.9
Your equation can be simplified to G = 30(A - 2) where G is blood glucose in mg/dL and A = a1c * 100.
I know my Avg. I wanted to know my A1C. I rearranged the rule of Thomas - (Avg/30) + 2 = A1C
28.7×A1C-46.7=much less cumbersome than The Rule Of Thomas. I don't get how RofT is any easier, or quicker...What did I miss? Seriously asking.
which is more suitable for medium skin tone...expresso martini or irish coffee
I believe there are easier formulas to use for the conversions. The two ways of measuring the estimated average glucose are related by mg/dl=18Xmmol/l.
So 108mg/dl=6mmol/l and 144mg/l=8mmol/l.
The percentage of HbgA1c % is related to HbgA1c by the formula H%=HX0.6+2.
So 10%=0.6X13.6+2. And your 58 year old with 12% A1c has 12=0.6H+2, i.e. H=16.7 which multiplied by 18 gives 300. Am I wrong?
I don't think you're wrong! I'm looking forward to your "Rule of Cyloner"
Your formula has nice round numbers, but it is not exactly the same. You can rewrite the ADA formula. -46.7+6*28.7=125.5, so the ADA formula can be written as Av. Glucose=125.5+28.7(HbA1C-6).
I've got a A1C of 5.8 is this good? 55 years old work out every other day lifting weights for 1.50 hrs at a time.
Jim - I am not at liberty to give you medical advice via the internet, but I would encourage you to talk with your family medicine doctor or primary care doctor. They can help you navigate diabetes care. Thank you for your comment -Paul
that's great I'm 6.9 that's not good I'm 222 and 5,6 I look real good ,I really don't look that fat...but still have controlled b/p and eat fairly healthy. I always say to my hubby lets party which means order kickers and garlic bread no pizza from dominos..and movie and we do this 1 time a week maybe 3 times a month ,and I share with my dog.so its not a lot..but still...and we walk 1/2 or more once a day... I eat very good dinner and breakfast no fatty food. Some but not to much and don't buy any sweets well a pieces of cheesecake once a week or more..lol
Nooooooo!!!!! A1C Should be 5.11 or lower. Your blood sugar is about 120 (too high!) with a 5.8 A1C reading and should be 100 or lower.
Very good keep it up man
@@yvonnespearing hello JAGG my a1c was 7.3 i cant conntrol my self
what is the difference between estimated average glucose and mean glucose value
Mean and average are two words for the same thing - the only difference is one is “estimated”
What if the hba1c is less than6%
Just post a table
Bobby Ocampo but it’s cool to know how to do the math!!!
Great job !!
Thanks so much!
Sir I got blood pp 163 and A1C is 5.4. I am diabetic or not
Hi there, my level is 37 mmol/mol. I feel very dizzy when I eat sugary foods. Is this close to a diabetes level ? Thank you
My wife is pregnant in 48days & type 1 sugar patient, Hb A 1c level is 11.6% ?
Arun Dinesh you should see a diabetes specialist
I was just diagnosed with diabetes at a 6.7% A1C. Is it possible to reverse this number ? And if reversed would that mean I am no longer diabetic ?
I was pre diabetic as my A1c was between 6 and 6.6 but I started drinking Bitter Melon juice everyday morning about 4 ozs.of 1/2 bitter melon it went down to 5.9 in 3 months .I am going to continue another 6 months I want it to go down below 5.7.
@@sudhirshah7832 Yes this is true I posted that comment 6 months ago. Thank you for your reply I am currently using bitter melon that i buy at my local asian market and I blend it in my nutribullet without the middle stalking. It works so well it has made me feel like a new person. The difference is between night and day. Thank you so much for the update. I have read it may be bad to drink it over a long period of time because it can damage my kidneys but I am being cautious and taking it periodically and drinking lots of water. I have read it's like a natural insulin source and once I stop taking it my suger will go back to the original. So far so good. More people need to learn about this.
@@jamesramos124 stop all bread, carbs, sugar,fruit,starchy vegetables,rice,corn,
eat low carbs veg.and meat,,eggs,fish,eggs.
your target should be less than 5% A1C.
Greek to me. Surely there has got to be an easier way to figure A1c.
My himoglobin is 10 thats normal?
Hello, nice video, one question in reference to the chart comparison are we comparing the fasting average blood glucose or the average after a meal or the overall average glucose?
Marla - great question! What the Hemoglobin A1c gets at is a person's average plasma glucose levels over the last 90 days. That is, Glycated Hemoglobin is a reflection of how much sugar is in the person's blood over the 90 days prior to the test. Fasting glucose would be lower, and post prandial blood sugar levels would be higher - the Hemoglobin A1c or Glycated Hemoglobin does a good job of getting the average blood sugar level over that 90 day period. I hope this helps! -Paul
Average glucose overall.
Correct results chapandi
thank u sir for help
Harms S you’re welcome!!
That official formula is just basic algebra. Not cumbersome at all.
how do you convert 13.5 to a a1c #?
Hb A 1 c level will be increased pregnant women baby when problem?
Thanhs
Clear as mud?
thank u dr thankssssssssssssssss
Thanks for watching!
MY HBA1C IS 6.12 AM I DIABITIK
You Should see a doctor and ask those questions of your doctor.
Plum Health DPC THANKS
Ur a1c now?
My hba1c is 4 am dibitk
My hba1c is 6.9 I m dibtc
Hb A 1 c level will be increased pregnant women baby when problem?