Transient ST-Segment Elevations in a Patient With Intramyocardial LAD Bridging

Ranvir Bhatia1, Neel Chokshi1, Dinesh Jagasia1

  • 1Division of Cardiovascular Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

JACC. Case Reports
|February 20, 2025
PubMed

Insights

Myocardial bridges, often asymptomatic, pose management challenges. This case highlights transient ST-segment elevations in a patient with left anterior descending artery bridging, suggesting silent myocardial ischemia.

Area of Science:

  • Cardiology
  • Cardiovascular Medicine
  • Clinical Case Studies

Background:

  • Myocardial bridges are congenital anomalies where a segment of coronary artery travels through myocardial muscle.
  • Functionally characterizing myocardial bridges and managing potential silent ischemia remains a clinical challenge.

Observation:

  • A patient presented with asymptomatic, transient ST-segment elevations in the emergency department.
  • Diagnostic workup revealed a myocardial bridge in the mid to distal left anterior descending artery.

Findings:

  • The presence of a myocardial bridge in the left anterior descending artery was confirmed.
  • Transient ST-segment elevations raised concern for exercise-induced or stress-induced silent myocardial ischemia.

Implications:

  • This case underscores the importance of considering myocardial bridging in patients with unexplained ST-segment changes.
  • Further investigation into the functional significance of myocardial bridges is crucial for appropriate patient management and risk stratification.