Clinical and phonocardiographic recognition of prosthetic aortic valve ball variance.
D001022:Aortic Valve Insufficiency / Q000601:surgery*; D005260:Female; D006326:Heart Auscultation; D006350:Heart Valve Prosthesis; D006801:Humans; D008875:Middle Aged; D010701:Phonocardiography; D011183:Postoperative Complications / Q000175:diagnosis