Atypical advanced interatrial blocks: Definition and electrocardiographic recognition

The diagnosis of advanced interatrial block (A-IAB) is done by surface ECG analysis when the P-wave ≥120 ms with biphasic (±) morphology in leads II, III and aVF. In this brief communication, we advance a new concept involving atypical patterns of A-IAB due to changes about the morphology or duration of the P-wave. It remains to be determined its real prevalence in different clinical scenario s, and whether these atypical ECG patterns should be considered as predictors of atrial fibrillation/stroke.

Source: Journal of Electrocardiology - September 11, 2018 Category: Cardiology Authors: Antoni Bayes de Luna, Luis Alberto Escobar-Robledo, David Aristizabal, Danilo Weir Restrepo, Guiomar Mendieta, Albert Mass ó van Roessel, Roberto Elosua, Antoni Bayés-Genís, Manuel Martínez-Selles, Adrian Baranchuk Source Type: research