Cardiac Action Potentials 3-3 - ECG / EKG Interpretation -- BASIC

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Dr. Nicholas Tullo, a heart rhythm specialist, presents this lesson for the ECG Academy. This instructional video talks about the cardiac cell membrane and how the movement of sodium and potassium produces the electrical changes in voltage known as the action potential. The content of this video will help viewers to understand how an ECG is produced. For basic, intermediate, and advanced video instruction on interpreting ECGs, visit www.ecgacademy.com/
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[@Pramodzme]

nicer

[@bharathrajaram1696]

How postivity passes from one cell to other?

[@swastik6454]

through the gap junctions

[@MeaHeaR]

Why are the Sodium ions pushed through and
not the chlorine ????

[@texastexas4541]

They only fit Na ions. Every ion has a certain diameter. Plus, they have to deal with dehydration energy matching in the pore etc. In simple, each selective channel is designed for a certain ion. Would you call this intelligent design?

[@MeaHeaR]

This doesn't make any sense, if the K+ leaves
and Na+ Enters then the cell would still have a
Positive Chargé !!!!