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 ...

The ECG findings presented as normal in athletes were established by an international consensus panel ... and the QRS complex usually narrow unless the baseline QRS has a bundle branch block. Sinus ...

Electrocardiogram tests – which measure the heart's electrical activity – could someday be paired with an artificial ...

This ECG 'variant ... often called 'normal variants', that can occur in perfectly normal individuals. SCD is most often due to an extremely rapid and uncoordinated cardiac rhythm disorder called ...

The results of your EKG will show the pattern of your heart's electrical activity. Normal results, also known as "normal ...

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 ...

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

A normal heart rate at rest is between 60 and 100 ... impulses and provides information about the heart rate and rhythm. On the ECG, atrial activation appears as a small bump known as the P ...

Mitchell did mention that current data on some at-home ECG devices indicates a high likelihood of false positive results, ...

However, the ECG app was available only to users in the U.S. as part of watchOS 5.1.2 along with a heart rhythm monitor for detecting signs of atrial fibrillation (AFib) through heart rate check-ups.