Phonocardiographic manifestations of heterograft valve dysfunction in the mitral area.


Phonocardiographic and pathological features of mitral porcine aortic heterograft valve failure are described in 1o patients with rheumatic valvular disease. Six had isolated mitralporcine aortic heterograft valve; 3 also had one in the aortic area; one had this in both mitral and tricuspid areas with an aortic ball valve prosthesis. Allpatients had… (More)


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