What is Atrioventricular Nodal Tachycardia (AVNRT)?

Atrioventricular nodal tachycardia (AVNRT) is one of the most common supra ventricular tachycardias (SVT) that we find during electrophysiology studies. Fifteen to thirty percent of the population has “dual AV-node physiology.” Most day-to-day conduction is from “fast” AV node pathway. Patients with “dual AV node physiology” may occasional use the “slow” AV node pathway and this can set up the reentrant arrhythmia.

Atrioventricular nodal tachycardia (AVNRT) is one of the most common arrhythmias. This short video gives an introduction to the mechanism and treatment options that are available.

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