The clinical diagnosis of ball variance in a mitral valve prosthesis.
D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery*; D010701:Phonocardiography