Wellens' syndrome is a phenomenon of T-wave inversions seen in the precordial leads of the electrocardiogram in the patients with unstable angina. This finding is seen in the pain-free state. Two different patterns have been described. Type A presents with biphasic T waves in V2-V3 and type B presents with symmetrical deep T-wave inversions in V2-V3. This etiology signifies critical stenosis in proximal left anterior descending artery (LAD). We describe a patient who was admitted for an elective surgery without a history of chest pain noted to have Wellens pattern T-wave inversions on telemetry and found to have 60-70% stenosis in mid LAD.

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