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Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...

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Updated: Jun 6, 2026

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

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

Diffuse precordial ST-segment elevation in inferior-right myocardial infarction.

Andreas Y Andreou¹, Marios A Ioannides, George M Georgiou

¹Cardiology Department, Nicosia General Hospital, Cyprus. y.andreas@yahoo.com

Cardiology Journal

|December 15, 2010

Summary

Right ventricular myocardial infarction can cause ST-segment elevation mimicking anterior MI. A late R

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Primary Outcome Assessment in a Pig Model of Acute Myocardial Infarction

Primary Outcome Assessment in a Pig Model of Acute Myocardial Infarction

Published on: October 14, 2016

Area of Science:

Cardiology
Electrocardiography
Myocardial Infarction

Background:

Right ventricular (RV) myocardial infarction (MI) can present with ST-segment elevation (STE) in precordial leads.
Combined inferior and precordial STE may be misdiagnosed as left anterior descending artery (LADA) occlusion or multi-vessel disease.

Observation:

A patient with inferior-RV MI exhibited STE in inferior, precordial, and right chest leads.
Diffuse precordial STE was initially misinterpreted as anterior MI.
STE resolution in V1-V2 and a late R' wave in V1 were noted.

Findings:

The electrocardiographic findings, along with a recanalized RV branch, supported an RV origin for the STE.
The LADA was patent despite severe ischemia in V3-V6, making simultaneous occlusion unlikely.
A late R' wave in V1 is diagnostic of RV transmural conduction delay and RV MI.

Implications:

Recognizing specific ECG patterns can prevent misdiagnosis of RV MI.
The late R' wave in V1 is a crucial diagnostic marker for RV myocardial infarction.
Accurate diagnosis of RV MI is essential for appropriate patient management and treatment strategies.