The ECG findings presented as normal in athletes were established by an international ... 6,11–14 A junctional or nodal rhythm occurs when the QRS rate is faster than the resting P wave or sinus rate ...

A junctional rhythm occurs when the electrical activation of the heart originates near or within the atrioventricular node, rather than from the sinoatrial node. Because the normal ventricular ...

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 ...