Serial ejection times in patients requiring multiple aortic valve replacements.
D001022:Aortic Valve Insufficiency / Q000503:physiopathology*; D001024:Aortic Valve Stenosis / Q000503:physiopathology*; D001776:Blood Circulation Time; D004562:Electrocardiography; D005260:Female; D005500:Follow-Up Studies; D006339:Heart Rate; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D010701:Phonocardiography; D011674:Pulse