Just as in atrial fibrillation, not all of the P waves are able to conduct through the atrioventricular node, and thus the ventricular rate will not be as fast as the atrial rate. Typically ...

Atrial tachycardia and other ectopic atrial rhythms occur when a site outside of the sinus node, but within the atria, creates action potentials faster than the sinus node. This ectopic focus ...

Brisk walking has other positive effects like reducing inflammation, blood pressure, body weight, abdominal fat and prevents ...

"The beat comes back in the cyno-atrial node - which is the part of the heart where the rhythm originates." He added: "Someone who has suffered atrial fibrillation may want to come for more ...

When someone has atrial fibrillation ... malfunction in a cluster of cells in the right atrium, known as the sinus node, which send out the electrical signals that regulate heart rhythm.

Sinus node dysfunction (SND ... [1] A large proportion of SND patients also have atrial fibrillation (AF) and prolonged sinus pauses after AF termination, which is also known as tachycardia ...

An atrial septal defect is an opening in the wall that separates the upper chambers of the heart. It is one of the most common congenital heart defects, which are structural problems that develop ...