Progression From Patterns A to B in Wellens Syndrome: Electrocardiographic Progression in Wellens Syndrome

Edwin A Rodríguez1,2, Anali Salva1,2, José M Aladio1,2

  • 1University of Buenos Aires, Buenos Aires, Argentina.

JACC. Case Reports
|January 11, 2024
PubMed

Insights

Wellens syndrome electrocardiogram patterns can evolve from type A to type B. Diagnosis and treatment remain consistent for both Wellens syndrome types, indicating progression of the same underlying cardiac condition.

Area of Science:

  • Cardiology
  • Clinical Electrocardiography

Background:

  • Wellens syndrome is a critical finding on electrocardiogram (ECG) indicative of proximal left anterior descending artery stenosis.
  • Two ECG patterns, type A and type B, are recognized, both associated with significant coronary artery disease.

Observation:

  • This case series presents three patients whose ECGs demonstrated a transition from type A to type B Wellens syndrome.
  • The observed evolution highlights the dynamic nature of ischemic changes on the ECG.

Findings:

  • The electrocardiogram findings evolved from type A to type B Wellens syndrome in the described cases.
  • Despite the pattern change, the underlying diagnosis and therapeutic approach for Wellens syndrome remained unchanged.

Implications:

  • These findings suggest that type A and type B Wellens syndrome represent sequential stages of the same ischemic process.
  • Recognizing this evolution is crucial for timely diagnosis and management of acute coronary syndromes.

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