Dr. Smith's ECG Blog

NOVEMBER 4, 2022

History sounds concerning for ACS (could be critical stenosis, triple vessel), but differential also includes dissection, GI bleed, etc. New insights into the use of the 12-lead electrocardiogram for diagnosing acute myocardial infarction in the emergency department. His response: “subendocardial ischemia. Anything more on history?

Ischemia 52

Ischemia STEMI Stenosis Chest Pain 52

Dr. Smith's ECG Blog

AUGUST 9, 2019

At the bottom of the post, I have re-printed the section on aVR in my article on the ECG in ACS from the Canadian Journal of Cardiology: New Insights Into the Use of the 12-Lead Electrocardiogram for Diagnosing Acute Myocardial Infarction in the Emergency Department Case 1. TIMI 0/1 flow).(61,62) Knotts et al.

Myocardial Infarction 52

Myocardial Infarction Ischemia STEMI Cardiogenic Shock 52

Dr. Smith's ECG Blog

MAY 8, 2023

So the patient was taken for emergent cath, showing: Culprit artery: LAD (100% stenosis, TIMI 0) requiring thrombectomy and stent. Queen of Hearts interpretation: Now the cardiologist considered it "STEMI"! 3 , 4 Q-waves defined the diagnosis of myocardial infarction before modern cardiac imaging was widely available.

Chest Pain 52

Chest Pain Myocardial Infarction STEMI Pacemaker 52