Two Types of Heart Muscle Cells

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This video tutorial teaches about the 2 different types of heart muscle cells.
0:00. Introduction
0:22. Contractile heart muscle cells (cardiomyocytes)
1:00. Pacing/Conducting heart muscle cells
- 1:10. SA node
- 1:47. AV node
- 3:07. Bundle of His, LBB and RBB
- 3:27. Purkinje fibers
4:52. Pacemaker hierarchy
5:50. How are cardiac muscle cells linked together?
9:32. Practice
10:24. In-a-nutshell
10:31. Acknowledgements
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those are some mad powerpoint skillz doc.

mgofdota
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Can you make a video comparing the action potential graph between these 2 types of cardiac cells please? Are their resting and threshold potentials different values?

jessicadoan
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If the sa node has automacity, so its mean the heart keeps pumping only with coronary blood supply even if we take the heart out of the boby

worldisbold
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oh God I hope my heart is doing well, I don't want to die right now....I have basically no idea of all the hard work it does for me all the time, I just know that every morning I say thank you God for another day on earth...

sdmsdm
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I thank you from the distal regions of my Purkinje network.

AKrn
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Amazing! How on earth could anyone have figured this out!

lindathompson
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What does it mean when a doctor said you have a heart leak?

gloriasims
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Ugh. Okay give me 20 times without ads

walterbray
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Any truth that serrapeptase dissolves Purkinje fibers?

vince