Upper and lower common pathways in atrioventricular nodal reentrant tachycardia: refutation of a legend?
The concepts of upper and lower common pathways represent long-standing controversies of atrioventricular nodal reentrant tachycardia (AVNRT). Over the last years there has been considerable evidence against the presence of a lower and, especially, an upper common pathway as distinct entities that can be identified in most patients with atrioventricular reentrant tachycardia. The mechanism and relevance of these concepts remain speculative.
Katritsis
Demosthenes G
DG
Department of Cardiology, Athens Euroclinic, 9 Athanassiadou Street, Athens, Greece. dkatritsis@euroclinic.gr
D000200:Action Potentials; D001283:Atrioventricular Node / Q000503:physiopathology*; D019317:Evidence-Based Medicine; D006801:Humans; D008955:Models, Cardiovascular; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000503:physiopathology*