Coronary Angiitis and Cardiac Arrest in Antineutrophil Cytoplasmic-Antibody Associated Systemic Vasculitis

A 58-year-old man was admitted with a 6-week history of fever, lethargy, arthralgia, and dyspnea on exertion. He had no prior illness or cardiovascular risk factors, and with the exception of a pyrexia, his physical examination was unremarkable. Investigations were performed, including blood and urine cultures and a connective tissue screen. He was subsequently discharged with a view to an early outpatient review when he collapsed at home with cardiac arrest.The initial rhythm was ventricular fibrillation, which was successfully cardioverted. His postarrest electrocardiogram revealed transient right bundle-branch block and his plasma troponin I concentration was raised at 8.5 μg/L. His renal function was normal, but markers of …