Right aortic cusp aneurysm causing aortic valve regurgitation with complete heart block.

The present report describes a rare case of aortic valve aneurysm without any vegetation with complete heart block. A 26-year-old man with severe acute aortic regurgitation was admitted to our admitted to our hospital. Transthoracic echocardiography showed right cusp aneurysm without any vegetations. Transoesophageal echocardiography confirmed these findings. Colour Doppler echocardiography revealed severe aortic regurgitation. For complete heart block, a transvenous permanent pacemaker was inserted as a first stage of treatment. Successful aortic valve replacement was performed as a second stage. The possible aetiology of this case is endocarditis.