AV nodal re-entrant tachycardia
Atrioventricular nodal re-entrant tachycardia (AVNRT) is a regular, narrow-complex tachycardia with typical ventricular rates between 150-250 beats per minute (bpm). This arrhythmia often has an abrupt onset and termination. The terms paroxysmal supraventricular tachycardia or paroxysmal atrial tachycardia have been used to describe this entity, although such nomenclature is not considered to be accurate. AVNRT…