Disappearance of opening sound of Starr-Edwards mitral valve due to valvular detachment.
D000328:Adult; D006326:Heart Auscultation; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008943:Mitral Valve; D010701:Phonocardiography; D011183:Postoperative Complications / Q000175:diagnosis*