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ST Segment Elevation in aVR: Clinical Significance in Acute Coronary Syndrome

Antoine Kossaify1

  • 1Cardiac Catheterization Unit, Cardiology Division, USEK/University Hospital NDS, St. Charbel Street, Byblos, Lebanon.

Clinical Medicine Insights. Case Reports
|April 17, 2013
PubMed

Insights

A patient experienced severe chest pain and was diagnosed with a critical blockage in the left anterior descending artery. Doctors discuss the importance of ST segment elevation in aVR as a key diagnostic indicator.

Area of Science:

  • Cardiology
  • Internal Medicine

Background:

  • ST segment elevation in lead aVR on an electrocardiogram (ECG) can indicate critical cardiac events.
  • Understanding specific ECG findings is crucial for rapid diagnosis and intervention in acute coronary syndromes.

Observation:

  • A 59-year-old male presented with acute chest pain and ST segment elevation in aVR and V1 on ECG.
  • The patient also exhibited intermittent right bundle branch block.
  • Emergent coronary angiography revealed a proximal sub-occlusive stenosis of the left anterior descending artery.

Findings:

  • The patient remained hemodynamically unstable for the initial 72 hours post-presentation.
  • The case highlights the diagnostic significance of ST segment elevation in aVR in identifying severe left anterior descending artery stenosis.

Implications:

  • This case underscores the importance of recognizing ST segment elevation in aVR for prompt diagnosis of high-risk acute coronary syndromes.
  • Early identification and intervention are critical for improving outcomes in patients with critical left anterior descending artery stenosis.

Keywords:
ST elevationV1aVRacute coronary syndrome

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