In this video, Dr. Sameer Shrivastava, Heads the department of Non-Invasive Cardiology at Fortis Escorts Heart Institute, New Delhi, will discuss the guidelines for mitral stenosis. Earlier the severity of mitral stenosis was considered as less than 1 cm square but with recent guidelines, lesser than 1.5 cm square is considered as severe mitral stenosis. Regardless of the severity of mitral stenosis, the first and foremost intervening is the symptoms. If the person is symptomatic then even it is moderate valvular disease, then it needs to be corrected. Dr. Sameer will also talk on how mitral stenosis is mostly related to young rheumatic children. He will discuss the treatment modes in such children and long it can be managed with out surgery. He will also talk the problems when patients with mitral stenosis are asymptomatic.