Articles/sinoatrial node

sinoatrial node

2 articles

Sinoatrial Node: The Heart's Natural Pacemaker

Sinoatrial Node: The Heart's Natural Pacemaker The sinoatrial node (SA node), also known as the sinus node or Keith–Flack node, is a specialized region of cardiac muscle that serves as th...

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Heart Atria: Anatomy, Function, and Clinical Significance

Heart Atria: Anatomy, Function, and Clinical Significance The atrium (plural: atria) serves as the essential "entry hall" of the heart. These two upper chambers are the first point of con...

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