How does the cardiac cycle work? - The intrinsic Conduction System

3 important questions on How does the cardiac cycle work? - The intrinsic Conduction System

What are cardiac pacemaker cells?

Have an unstable resting potential that continuously depolarizes.

What are pacemaker potentials?

The spontaneously changing membrane potentials that trigger the heart to its rhythmic contractions.c

Where are the cardiac pacemaker cells found?

1. Sinoatrial node
2. Atrioventricular node
3. Atrioventricular bundle
4. Right and left bundle branches
5. Subendocardial conducting network

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