Supraventricular tachycardia is a term used to describe any heart rhythm that is greater than 100 beats per minute originating from above the AV node (the atrium). The term “SVT” can be ...

The AV node is very sensitive to changes in the autonomic ... Patients with AVNRT can often stop their episodes of tachycardia by doing things to suddenly increase the tone of the vagus nerve.

Atrioventricular nodal reentry tachycardia (AVNRT) occurs when there is "dual AV nodal physiology" or a "dual AV node." This means there is one pathway that conducts slowly within the AV node and ...

sinus node reentrant tachycardia, AFL, AF, and multifocal AT. AV tachyarrhythmias consist of AVNRT, AVRT, nonparoxysmal junctional tachycardia, and junctional ectopic tachycardia. [15 ...

Persistence of tachycardia may lead to dilated cardiomyopathy ... are usually due to re-entry and involve the compact region of the atrioventricular (AV) node. Vagal maneuvers producing a ...