Mitral balloon valvuloplasty (MBV) is the safest procedure and one of the frequent procedures observed in cardiac cathertization lab especially in developing countries were the incidence of rheumatic fever is high. Though it is very safe procedure few complications like post MBV mitral regurgitation, cardiac tamponade are observed. In this case report we mention about a rare association of pericardial effusion secondary to MBV in HIV patient.
