STEMI-17

Published: August 28th, 2015

Category: STEMI

Pre-hospital ECG

Photo Aug 29, 7 36 53 AM

Emergency Department ECG

ECG1

Cardiac Cath Report

LAD: Normal

LCx: Normal

RCA: 99% distal lesion

Procedure: 1 stent placed to distal RCA

Teaching

Inferior MI

  • 40-50% of all myocardial infarctions.
  • more favorable prognosis than anterior myocardial infarction
  • Up to 40% of patients with an inferior STEMI will have a concomitant right ventricular infarction. These patients may develop severe hypotension in response to nitrates and generally have a worse prognosis.
    • Confirmed with Right sided ECG, Elevation in V4R
  • Up to 20% of patients with inferior STEMI will develop significant bradycardia due to second- or third-degree AV block. These patients have an increased in-hospital mortality (>20%).
  • ECG findings
    • ST elevation in leads II, III and aVF
    • Reciprocal ST depression in aVL (± lead I)
    • RCA (80%): Elevation in III > II, Reciprocal depression in I
    • LCx (20%): Elevation in III = II, No reciprocal depression in I

ECG-Anatomy-LITFL