Extrinsic compression of an anomalous right coronary artery causing cardiac arrest

A 45-year-old woman had a cardiac arrest while jogging. She received immediate cardiopulmonary resuscitation by a physician bystander. Paramedics found her in ventricular fibrillation which reverted to sinus rhythm with one 200 J shock. Troponin I was 2.9 ng/ml (reference < 0.15 ng/ml) and transthoracic echocardiography was normal. Coronary angiography demonstrated normal left coronary arteries with …