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SA Node and AV Node | Medical Condition | Medical Knowledge Base

Knowledge Base/Medical Condition/SA Node and AV Node

SA Node and AV Node

Electrical pulses in the heart are controlled by special groups of cells called nodes. The SA (sinoatrial) node generates an electrical signal that causes the upper heart chambers (atria) to contract. The signal then passes through the AV (atrioventricular) node to the lower heart chambers (ventricles), causing them to...

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SA Node and AV Nodesa node and av node

🩺Medical Condition

Last updated: Jan 7, 2026

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