None of the patients with AVNRT had a history of regular palpitations or regular narrow complex tachycardia. Patients with AVNRT tended to be younger than those without. In 13 patients ...

and AVRT there are other less common narrow complex tachycardias that one must consider. Examples include nodofasciular tachycardia and junctional ectopic tachycardia.

A faster than normal rate originating here is known as junctional tachycardia. This is a type of narrow complex tachycardia, ...