The heart's normal sinus rhythm is created by electrical signals that spread throughout the heart in an organized manner ...

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 ...

If there is a P wave before every QRS complex, and it has a sinus morphology, then normal sinus rhythm, or NSR, is said to be present. A sinus morphology is an upright P wave in lead II and ...

AFib causes an irregular heart rate that can make your heart feel as if it is fluttering or skipping beats. Panic attacks, on ...

Furthermore, the proportion of time in sinus rhythm whilst on assigned antiarrhythmia therapy did not effect these outcomes in the 1,316 patients for whom electrocardiograms were available.

Detecting congestive heart failure from inter-beat intervals alone has previously been extremely difficult or virtually impossible in patients with a regular sinus rhythm. In contrast, atrial ...

size secondary to regular training.6,11–14 A junctional or nodal rhythm occurs when the QRS rate is faster than the resting P wave or sinus rate which is slowed in athletes due to increased vagal tone ...