Ball variance: potentially lethal degeneration of the Starr-Edwards aortic valve poppet.
D000328:Adult; D001022:Aortic Valve Insufficiency / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D011183:Postoperative Complications; D012408:Rubber; D012828:Silicones
D012828:Silicones; D012408:Rubber