the following measures of prosthetic malfunction were evaluated : opening and closing velocity , maximal amplitude of the prosthesis , septal motion 6 months after operation , lv diastolic diameter , protodiastolic hump , variations during same record of the interval between aortic valve closure sound to the phono and mitral valve opening to the echo , and interval between aortic valve closure sound and maximal excursion of the lv posterior wall .
C0225897
lv
C0026264
mitral valve