Pre-existing Left Bundle Branch Block and Atrial Fib: what is alarming on this routine pre-procedure ECG?
An elderly patient had a pre-procedure ECG (ECG-1). She was asymptomatic. The patient had known Left Bundle Branch Block (LBBB)…
Instructive ECGs in Emergency Medicine Clinical Content
Associate Editors:
— Pendell Meyers & Ken Grauer (2018)
— Jesse McLaren & Emre Aslanger (2022)
— Willy Frick (2024) — Sam Ghali (2025)