2025-11-272025-11-27http://hdl.handle.net/2263/106097Clinical history : A 48 year old female with a 9 year history of mitral stenosis.Two valvotomies were done without success and later a total mitral valve replacement was done.The patient had developed post-operative acidosis.Autopsy findings : 1. Aneurysm of the artificial mitral valve.2. Chronic rheumatoid myocarditis.3. Chronic venous congestion.Diagnosis: Artificial mitral valve in a patient with mitral stenosis and a large left atrium