Sinus rhythm (a.k.a. normal sinus rhythm) refers to the normal heart beat originating from the sinoatrial node. This is manifested as an upright P wave in lead II of the ECG. Sinus bradycardia ...
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Sinus Arrhythmia: What’s Normal vs. IrregularThe heart's normal sinus rhythm is created by electrical signals that spread throughout the heart in an organized manner ...
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