Is this a wide complex rhythm? (And what is the etoliogy, after you hear the history)
This is NOT a wide complex tachycardia. This is atrial fibrillation with “Shark Fin” pattern, an OMI pattern, and this time it is…
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)