div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader039vdocumentsmxreader039viewer20220402035e926999ecd29a6923009c3bhtml5page1jpg target=_blank img data-url=aortic-stenosis-mitral-regurgitation-mitral-stenosis-aortic-regurgitation-the-thinhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: · Aortic stenosis Mitral regurgitation Mitral stenosis Aortic regurgitation The thin filament of a muscle fiber is comprised of Troponin Tropomyosin Actin Troponin Tropomyosin loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentsmxreader039viewer20220402035e926999ecd29a6923009c3bhtml5thumbnails1jpg width=140 height=200 adivpwwwcarep perinp pdiacop pmpdiv