Narrow QRS tachycardia with AV response from 2:1 to 1:1. What is the mechanism?

Narrow QRS tachycardia with AV response from 2:1 to 1:1. What is the mechanism?
Acta Cardiol. 2017 Oct 12;:1
Authors: De Roy L, Xhaët O
PMID: 29025367 [PubMed - as supplied by publisher]

Source: Acta Cardiologica - October 16, 2017 Category: Cardiology Tags: Acta Cardiol Source Type: research