What you tell a patient matters. Especially if it is incorrect.
Written by Dr. Ahmed Marai, who just graduated from Medical School in Iraq. Edits by Smith and Grauer. A 45-year-old man, an active smoker…
Reverse precordial swirl: an ECG pattern for lateral OMI
Written by Matthew McArthur A 60 year old patient was brought in to the Emergency Department at 3am by EMS with one hour of crushing chest…
A Quick and Easy Calculation for this very unusual ECG
================================== MY Comment, by KEN GRAUER, MD (9/9/2026): I’ve excerpted the tracing in Figure-1 from the…
The fire department does not say: “We can’t try to put the fire out until the burning house is stable. Let’s wait.”
Case by Willy Frick Details from this case are limited, so we will keep it short and sweet for the purposes of ECG learning. Case Presentation…
Severe Chest pain and Sinus Tachycardia
Today’s case is a repost from October 26, 2010. I have updated the post — and Ken Grauer has added a new Comment below. This 54 year old…
“12 mg of adenosine x 2 did not work, and neither did Electrical Cardioversion at 200J x 2”
This ECG was sent to me with the following message: “60-something with dyspnea. Tried adenosine 12 mg x 2 (didn’t do anything…
4 patients with ST elevation, infection, and elevated troponin: which is Occlusion MI and which is myocarditis?
By Matthew McArthur and Jesse McLaren 4 patients presented with ST elevation, active infection with or without fever, and elevated troponin.…
80 year-old female with epigastric burning and previously diagnosed LBBB
By Jesse McLaren An 80 year-old female with a history of diabetes and CABG called paramedics for 2 hours of epigastric burning that did not…
This was sent to me. What is the diagnosis?
What do you think? It looks very bizarre. Differential: 1) Severe ischemia 2) arterial pulse tapping artifact (APTA) (but it is not APTA…
Can a patient be lucky if he goes into ventricular fibrillation? Yes. But accurate ECG interpretation (and the Queen of Hearts) can prevent it.
Also, listen to young doctors. They often know much more than the experienced ones. This was sent by Ahmed Adel. Hello, Dr. Smith. I hope…