This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Valvular hea diseases, Subject name: Medicine
[{'content': 'Criteria for mitral valvotomy includes all except? \nSelect and explain. \nA. Significant symptoms, B. Isolated mitral stenosis, C. Mobile non calcified valve, D. Left atrial thrombus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 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.', 'role': 'assistant'}]