Wellens syndrome – Cardiology MCQ – Answer

Wellens syndrome is characterized by all of the following except:
Correct answer (wrong statement): a) Critical stenosis of left circumflex coronary artery
Original description from Wellens group date back to 1982 [1], though the eponym came later. They noted the pattern in 18% of their 145 patients with unstable angina. In spite of symptom control with nitroglycerin and beta blocker therapy, they noted that 12 of the 16 patients who did not undergo revascularization (surgery in their case) developed extensive anterior wall myocardial infarction within weeks of admission.
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Reference

1. de Zwaan C, Bär FW, Wellens HJ. Characteristic electrocardiographic pattern indicating a critical stenosis high in left anterior descending coronary artery in patients admitted because of impending myocardial infarction. Am Heart J. 1982 Apr;103(4 Pt 2):730-6.