Quadricuspid Aortic Valve Combined with Moderate Ascending Aortic Dilatation: A Report of Four Cases
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The quadricuspid aortic valve is a very uncommon malformation associated with aortic insufficiency, aortic stenosis, endocarditis, and ascending aortic dilatation. We report four cases of this aortic valve malformation. One patient with severe aortic regurgita... ...
