Atrial fibrillation? Multifocal Atrial Tachycardia? Don’t look at computer read until AFTER you interpret!
This 60-something with h/o COPD and HFrEF (EF 25%) presented with SOB and chest pain. Here is the ECG: What do you think? (Computer…
A 50-something with left shoulder pain and diffuse ST elevation
A 50-something presented with left shoulder pain. He had an ECG recorded: What do you think? = = = There is a huge amount of ST Elevation, but…
What is this Regular SVT?
====================================== MY Comment, by KEN GRAUER, MD (11/12/2019 — Updated for WordPress on 10/29/2025): My appreciation to…
What is the differential of this very unusual ECG?
Take a look at this ECG first without clinical context: = = = What do you think? = = = = = = There is sinus bradycardia with very unusual…
Elderly with Paced Rhythm, Possible Ischemic symptoms, and an Equivocal Smith Modified Sgarbossa ECG
An 80 year old presented with a couple days of SOB, weakness, and diaphoresis. There was no chest pain. Here was her initial ECG: — What…
A 50-something with chest pain presents to a Non-PCI capable facility
An avid reader sent me this case. He learned to read subtle ECGs here. Case: A 50-something presented with chest pain. A triage…
“Shark Fin”: A Deadly ECG Sign that you Must Know!
This case and discussion is written by Sam Ghali (@EM_RESUS), with a few edits by Smith Shark Fin has also been called: “Giant…