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.

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