Depolarization and Repolarization of Heart: Action Potential (Atrial & Ventricular) Animation

Depolarization and repolarization of the heart action potential (atrial and ventricular contraction and relaxation) anatomy and physiology explained.

Learn how the depolarization and repolarization of the heart works with this simple animation and lecture. The depolarization and repolarization process forms the PQRST waveform on the ECG / EKG.

This video discusses atrial and ventricular depolarization and repolarization. Depolarization of myocardial cells leads to the contraction of the atria and/or the ventricles. Repolarization of myocardial cells leads to the relaxation of the atria and/or ventricles.

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