UMEM Educational Pearls

Category: Cardiology

Title: Helpful clues to distinguishing pericarditis vs. STEMI

Keywords: Pericarditis, STEMI, ECG (PubMed Search)

Posted: 7/14/2007 by Amal Mattu, MD (Emailed: 7/8/2007) (Updated: 8/10/2022)
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Helpful clues to distinguishing pericarditis vs. STEMI Pericarditis: PR depression in multiple leads, PR elevation > 2 mm in aVR; friction rub (specific though not sensitive) Remember that PR depression mainly only shows up in viral pericarditis, not other types STEMI: horizontal or convex upwards (like a tombstone) STE, ST depression in any lead aside from aVR and V1, STE in III > II