The QRS frontal plane axis changes during left bundle branch block after transcatheter aortic valve replacement

ConclusionAlthough post TAVR-LBBB is associated with a leftward QRS axis shift in most patients, a non-negligible proportion of patients (27%) exhibited a rightward or no QRS axis shift. The latter group tend to have a higher risk of developing high degree AVB.

Source: Pacing and Clinical Electrophysiology : PACE - October 14, 2023 Category: Cardiology Authors: Oren Yagel, Bernard Belhassen, David Planer, Offer Amir, Gabby Elbaz ‐Greener Tags: ELECTROPHYSIOLOGY Source Type: research