Fatal arrhythmias caused by the pressure of the ball-valve prosthesis upon the left ventricular myocardium.
D000328:Adult; D001145:Arrhythmias, Cardiac / Q000209:etiology*; D005260:Female; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006352:Heart Ventricles; D006801:Humans; D008875:Middle Aged; D011183:Postoperative Complications