Overcoming multiple anatomical and surgical challenges, surgeons at MGM Healthcare successfully performed a rare and highly complex mitral valve replacement on a 14-year-old girl who had severe mitral valve disease that caused debilitating breathlessness and left her largely bedridden. The surgery replaced the diseased mitral valve, relieved the obstruction, and restored normal blood flow through the heart. This unusual anatomy made surgical access to the mitral valve considerably more difficult. Dr. R.K.R Noveen Davidson, Senior Consultant, Paediatric Cardiac and Heart & Lung Transplant Surgeon performed an open-heart surgery on the girl. In his comments Dr. R.K.R Noveen Davidson said, “It is extremely rare for an individual with morquio syndrome to have Mesocardia.