July 10, 2025 | Cardiology | Dalhousie University A 64-year-old man presented with sudden-onset chest pain, diaphoresis, dynamic troponin elevation, and an electrocardiogram showing atrial fibrillation and inferior ST-elevations. He was 7 days post elective aortic valve replacement (AVR; 25-mm Magna Ease bioprosthesis [Edwards Lifesciences]; discharged 2 days prior) for severe bicuspid aortic valve stenosis. Presurgical coronary angiography had shown minor nonobstructive coronary artery disease.