A precaution when using the St. Jude Medical prosthesis in the aortic valve position.
D001021:Aortic Valve; D001024:Aortic Valve Stenosis / Q000473:pathology / Q000601:surgery; D006346:Heart Septum / Q000503:physiopathology; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans