Frequency of left atrial thrombus on transesophageal Echo in patients of severe mitral stenosis planned for PTMC (Percutaneous Transluminal Mitral Commissurotomy).

Objective: To find out the frequency of LA clot in patients of severe mitral stenosis. Study Design: Cross Sectional study. Setting: Faisalabad Institute of Cardiology, Faisalabad. Period: July 2023 to April 2024. Methods: Non-probability consecutive sampling, Data analysis by SPSS version 25. Results: In this study total 180 patients included with 39% were male and 61% female. 60% patients were in atrial fibrillation. LA clot was found in 24% patients. Out of these 24% patients 79% were in atrial fibrillation. Conclusion: Clot in LA is quite common entity with every fourth patient having it. Patients with higher NYHA class and without warfarin are more prone to develop LA clot.