Pseudo-Wellens Syndrome Due to Vasospasm in a Patient Without Known Risk Factors.
BACKGROUND Wellens syndrome is an electrocardiogram (ECG) pattern characterized by biphasic (type A) or deeply inverted (type B) T waves in anterior leads because of critical left anterior descending artery (LAD) stenosis. Pseudo-Wellens is an ECG mimic of Wellens syndrome in which LAD stenosis is absent. CASE SUMMAR...