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 ...

In music, the pulse is a special type of beat that is regular. It's the heartbeat of a piece of music and similar to a ticking clock. Have you ever wondered why people tap their foot or finger ...

they send electrical charges that help your heart contract and relax in rhythm to maintain a normal heartbeat. An electrolyte deficiency can disrupt the electrical signal, resulting in an ...

The first ECG strip below shows a P wave with sinus morphology, thus normal sinus rhythm ... If there is sinus rhythm, and the heart rate is less than 60 beats per minute, then sinus bradycardia ...

Medically reviewed by Anisha Shah, MDMedically reviewed by Anisha Shah, MD Idioventricular rhythm happens when the heartbeat originates from the heart's lower chambers at a slower than normal rate.

Los Angeles Chargers coach Jim Harbaugh is having a cardiac ablation during the offseason. Here's what that means.

Acknowledging the role of technology, health experts and cardiologists believe that even a minor change in the heart beat, ...