Related Experiment Video
Updated: Apr 14, 2026

Myocardial Infarction and Functional Outcome Assessment in Pigs
Published on: April 25, 2014
Myocardial Infarction and Left Ventricular Hypertrophy Seen on an Infant's Electrocardiogram
D Luke Glancy1, Terry D King2, Cynthia F Glancy3
1Section of Cardiology, Department of Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana; Department of Pediatrics, St. Francis Medical Center, Monroe, Louisiana.
Insights
Anomalous left coronary artery from the pulmonary trunk (ALCAPA) is a rare, often fatal heart defect. This case study details the clinical and electrocardiographic findings in an infant diagnosed with ALCAPA.
Area of Science:
- Pediatric Cardiology
- Congenital Heart Disease
- Cardiac Malformations
Background:
- Anomalous left coronary artery from the pulmonary trunk (ALCAPA) is a rare congenital cardiac malformation.
- It is a frequently fatal condition if not diagnosed and treated promptly.
- Understanding its clinical and electrocardiographic features is crucial for early detection.
Observation:
- The study describes a case of ALCAPA in an 8 1/2-month-old female infant.
- Detailed clinical presentation and electrocardiographic (ECG) findings were recorded.
- The patient exhibited symptoms consistent with myocardial ischemia.
Findings:
- Electrocardiographic findings in ALCAPA can mimic those of myocardial infarction.
- Specific ECG patterns may suggest coronary artery anomalies.
- Clinical features often include poor feeding, irritability, and signs of heart failure.
Implications:
- Early recognition of ALCAPA's clinical and ECG signs is vital for timely intervention.
- Prompt diagnosis can significantly improve outcomes for affected infants.
- This case highlights the importance of considering ALCAPA in infants presenting with cardiac symptoms.
Abstract:
The clinical and electrocardiographic features of anomalous left coronary artery from the pulmonary trunk, ALCAPA, a frequently fatal congenital cardiac malformation, are described in an 8 1/2-month-old female.
Related Concept Videos
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
Electrocardiogram
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
Mitral Stenosis II: Clinical features and Diagnostic Tests
Cardiomyopathy II: Dilated Cardiomyopathy
Myocarditis I: Introduction

