Aortic valve stenosis is a thickening and narrowing of the valve between the heart's main pumping chamber and the body's main artery, called the aorta. The narrowing creates a smaller opening for … The prevalence and impact of atrial fibrillation (af) versus sinus rhythm (sr) on outcomes in very severe aortic stenosis (vsas) of the native valve is unknown.
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Aortic valve stenosis is a thickening and narrowing of the valve between the heart's main pumping chamber and the body's main artery, called the aorta.
