Potassium and Magnesium: how low is too low?
A 30-something woman with h/o HTN on losartan presented for vomiting, diarrhea, and cough for 2-3 days. K returned at 2.4 mEq/L…
Diffuse ST depression, and ST elevation in aVR. Left main, right?
This ECG was recorded on a middle-aged male with sickle cell disease and diffuse pain. Sinus rhythm Left ventricular hypertrophy (LVH) Diffuse…
Chest pain and Diffuse ST depression, with STE in aVR. You probably think it is left main…..
A 75 year old woman complained of very atypical chest pain, lasting days, worse with movement and palpation. Here is her ECG (ECG-1): There is…
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)…
A young man with back spasms
Written by Pendell Meyers with edits by Steve Smith First see this ECG without clinical context: What do you see? Do you agree with the…
Weakness, head trauma, and an abnormal ECG
Written by Pendell Meyers, with edits by Steve Smith A man in his 50s with history of CAD s/p CABG, CHF, and COPD presented after several…
Look at these “T”-waves
An alcoholic presented with confusion. He had this ECG recorded: What do you think? Computer measures the QT at 505 ms, and QTc at 533…
A middle-aged man with severe syncope, diffuse weakness
A middle-aged male diabetic who is otherwise healthy was found unconscious by his wife, with incontinence. He quickly awoke but was too…
Are These Wellens’ Waves??
This is a repost. I’ve received a few questions like this, so wanted to re-inforce the idea of down-up vs. up-down T-waves Case:…
Patient with severe DKA, look at the ECG
This patient presented with severe DKA. Here is the ECG: Sinus tachycardia. What do you think? The computer and physician reader wrote:…