Related Experiment Video

Updated: Aug 5, 2026

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
18:11

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

Published on: December 28, 2012

Atrial Repolarization as a Rare Mimicker of ST-Segment Elevation Myocardial Infarction: Revisiting Ta

Jian Chu1, Roopesh Sai Jakulla1, Krittapoom Akrawinthawong1

  • 1Division of Cardiac Electrophysiology, Department of Cardiovascular Medicine, University of Oklahoma Medical Center, Oklahoma City, Oklahoma, USA.

JACC. Case Reports
|July 30, 2026
PubMed

Insights

Low atrial ectopic rhythms can mimic ST-segment elevation myocardial infarction (STEMI) on electrocardiograms (ECGs). This case highlights how atrial repolarization can cause ST elevations, emphasizing the need for careful ECG interpretation to avoid misdiagnosis of STEMI.

Area of Science:

  • Cardiology
  • Electrocardiography
  • Cardiac Electrophysiology

Background:

  • ST-segment elevations on ECG are crucial for diagnosing myocardial infarction.
  • Rare ECG findings can mimic ST-segment elevation myocardial infarction (STEMI), leading to unnecessary interventions.
  • Complex congenital heart disease can present diagnostic challenges in critical care settings.
Abstract

Keywords:
atrial septal defectcyanotic heart diseasemyocardial infarctiontransposition of the great arteries

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