<prompt> Criteria for mitral valvotomy includes all except?Significant symptomsIsolated mitral stenosisMobile non calcified valveLeft atrial thrombus  <response>: Mitral valvuloplasty -Dilatation of mitral annulus and will enhance the possibility of left atrial thrombus to embolise to systemic circulation. For critical MS- Balloon valvotomy is recommended to reduce PCWP and symptoms. In case of calcification of valve-Pliability of valves is reduced-Balloon Valvotomy is not recommended. For left atrial thrombus anti-coagulation using Warfarin is recommended. 