AR and atrial flutter: Medical history included hypertension, hypercholesterolemia, hyperuricemia, heart failure, recurrent atrial flutter/fibrillation, and prostatic cancer, under treatment with valsartan, hydrochlorothiazide, doxazosin, lercanidipine, simvastatin, febuxostat, furosemide, warfarin, pantoprazole, the (potential) QT-prolonging drug amiodarone, and the nonsteroidal androgen-receptor antagonists bicalutamide (50 mg/d for several years).