Vasanth K.2022-01-202022-01-202020-12-31https://dspace.sctimst.ac.in/handle/123456789/11142Grading Aortic Stenosis with mean gradient and aortic valve area: A comparison between preoperative Transthoracic Echocardiography and Pre-Cardiopulmonary Bypass EchocardiographyThesis