In this video, Dr Mike discusses how pacemaker cells, like the SA node and AV node create different action potentials compared to cardiomyocytes (heart muscle cells).
It's incredible how you can take complex processes and break them down so simply without dumbing it down. Physiology at uni is the total opposite. They spend quadruple the time explaining it and I only learn like quarter of what I do watching these. I suppose you have the advantage of being able to be paused and rewinded over and over again though! Thanks so much for putting out free educational content.
Have you ever studied POTS? My daughter has SEVERE POTS - she was bedbound by 6yrs of age - her heart beats at 150-160bpm when standing still and getsmuchhigher if walking moving at all basically - making the bed sends it shooting up. She is on Ivabradine which works directly ontheSA node and has dropped the hr a bit but it is still really very high altho now she isn't bedbound but life is limited- she cannot attend school she is very tired and weneed to be very careful whta we do. I have been researching for 5 yrs and came across your videos - it is a neuro issue with the signals - just tryingto figure out if there's any new research done by peoplelike you..... people with POTShave to drink electrolytes with magnesium, calcium, sodium, potassium wondering ifthis is because of what you have descrbed vs what is generally accepted to be because it helps with blood volume.
Doctor just told me my heart rate has dropped to zero and that it wont work again, so basically only the pacemaker is what's keeping me alive. Do you have any reading material for people in my condition? Thank you!
Do u think any maker to guide rotate sodium .calcium and potassium to drive depolarisation and repolarisation in out of pacemaker cell? All of insttuctor talk about potentiäl curve. Nobody clarify the chemical mechanism .thanks
I’m sorry I don’t understand the summary equal amounts must be entering and leaving over a period of a cycle. On the up slopes Na and Ca in, on the downslope K in?
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It's incredible how you can take complex processes and break them down so simply without dumbing it down. Physiology at uni is the total opposite. They spend quadruple the time explaining it and I only learn like quarter of what I do watching these. I suppose you have the advantage of being able to be paused and rewinded over and over again though! Thanks so much for putting out free educational content.
Simple and straight to the point. Thanks man. Really helpful
Your method of teaching is great. Your videos have made medical science so easy to understand. Loads of Thanks for each video
I’m really enjoying these videos and I was always told I am “bad at science”. I am now starting to like science
Congrats 👏
love Dr Mike's explanation thank you for making my study journey easier
You are fantastic! You're in the right job that's for sure. Thank you :)
Incredible! Great explanation!
it finally clicked thank you so much!!! love your videos
Understanding this for the first time!
omgggggg i love u sooooo much you’re really solving my problem and saving my gpa
Thank you so much and well explained .
Thank you so much Dr. Mike!!!! Wish you were my professor!
thank you for making this subject easy to understand, you've helped me soo much
thank you dr mike!
great video thanks a lot
Amazing, thank you!
Thank you very helpful ❤
thank you so much !!
OMG! Incredible. tnx
what a bro thank you
wow thank you so much God bless you
Thank you very much 👍
thank you!
U are amazing Sir😍😍 ... U made my day ... Great efforts keep making such videos😊😊
Thank u sir 😊
Great vidio wow
Thannkkk youuuuuu🖤🖤
thx now I can understand AP in SA node and maybe can expline for my friends😅😅😅
Thaaaaank u so much
Thanks
Amazing smart boy
اشهد ان لا اله الله . وان محمد رسول الله
Thank you that was very helpful.
Have you ever studied POTS? My daughter has SEVERE POTS - she was bedbound by 6yrs of age - her heart beats at 150-160bpm when standing still and getsmuchhigher if walking moving at all basically - making the bed sends it shooting up. She is on Ivabradine which works directly ontheSA node and has dropped the hr a bit but it is still really very high altho now she isn't bedbound but life is limited- she cannot attend school she is very tired and weneed to be very careful whta we do. I have been researching for 5 yrs and came across your videos - it is a neuro issue with the signals - just tryingto figure out if there's any new research done by peoplelike you..... people with POTShave to drink electrolytes with magnesium, calcium, sodium, potassium wondering ifthis is because of what you have descrbed vs what is generally accepted to be because it helps with blood volume.
Doctor just told me my heart rate has dropped to zero and that it wont work again, so basically only the pacemaker is what's keeping me alive.
Do you have any reading material for people in my condition?
Thank you!
How are you alive with zero heart rate?
when dropp to zeroh x itt mean he is deth
At end of the circle, the cell is full of Ca+, how dose the next circle start with putting out Na+?
Hey,, I have same question and I can’t find answer with lots of searching, have you found the answer ?
@@dianajihad1588 just my assumption, the next circle starts with putting out Ca+,
Do u think any maker to guide rotate sodium .calcium and potassium to drive depolarisation and repolarisation in out of pacemaker cell? All of insttuctor talk about potentiäl curve. Nobody clarify the chemical mechanism .thanks
I’m sorry I don’t understand the summary equal amounts must be entering and leaving over a period of a cycle. On the up slopes Na and Ca in, on the downslope K in?
During depolarisation the calcium channels are l type or t type?
yes plaeze be Thanqué Ewé 👍💩
such a dank intro
Pulse
It's like a mini heart within a normal heart
Moist Dephi-Knutt-E-Lie é Shiré DEPHI-KNUTT-E-LIE
so is leaking channels a bad thing ?
I don't know if you did this in order to make things simpler, but that's not how pacemaker cells work
Korrekt é Mhûnn-ĐôúĞh. 💯✔👍👍💩💩💩
Onyá Kobblerzz 👍 👍 ✔ 💩
صوديوم بوتاسيوم اي تي بي ايس سالب ٥
ليكي بوتاسيوم _٠٥
اذن صارت سالب خمسة وخمسين
ليكي ب
ليكي كالسيوم وصوديوم يرففعنهه لسالب اربعين
الي هو الثريشولد
فتنفتح قنوات كالسيوم سريع
فترفعهه لموجب عشرين
فتنتفح قنوات بوتاسيوم