Z LAKSMAN, L HARRIS… - Fetal and Maternal …, 2011 - Cambridge Univ Press ... The differential diagnosis of supraventricular tachycardia relates to its underlying mechanism and includes atrioventricular nodal reciprocating tachycardia (AVNRT), atrioventricular reciprocating tachycardia (AVRT), atrial tachycardia, and junctionaltachycardia (Figure 1). ...