UMEM Educational Pearls

Category: Cardiology

Title: Cardiogenic Shock and Electrocardiography

Keywords: electrocardiography, EKG, cardiogenic shock, acute myocardial infarction (PubMed Search)

Posted: 3/23/2008 by Amal Mattu, MD (Updated: 12/7/2019)
Click here to contact Amal Mattu, MD

Here's a nice, simple pearl for cardiogenic shock:
"A normal ECG virtually rules out shock due to myocardial infarction."

Essentially, even though MI may be associated with a normal ECG in approximately 5-8% of cases, if a patient has cardiogenic shock due to MI, the ECG will ALWAYS be abnormal.

Gowda RM, Fox JT, Khan IA. Cardiogenic shock: basics and  clinical considerations. Int J Cardiol 2008;123:221-228.

 

Amal