Crey | For the normal heartbeat, depolarization stimulus originates in His-bundle areas, Epicardium, Sinoatrial (SA)node, Atrioventricular (AV) node

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For the normal heartbeat, depolarization stimulus originates in

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His-bundle areas
Epicardium
Sinoatrial (SA)node
Atrioventricular (AV) node

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