First degree atrioventricular block, second degree Mobitz I and subsequently with 2:1 conduction. Transoesophageal echocardiogram: prolapsed bicuspid aortic valve causing severe aortic regurgitation; pseudoaneurysm in the right coronary sinus (*), affecting the mitral-aortic intervalvular fibrosa. Subacute aortic endocarditis with secondary atrioventricular conduction disorder (Figure).
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