echocardiography: systolic time-velocity integral (TVI) of prosthetic pulmonary valve of right ventricular outflow tract with stress
echocardiography: systolic time-velocity integral (tvi) of prosthetic pulmonary valve of right ventricular outflow tract with stress
echocardiogram prosthetic pulmonary valve systolic RVOT TVI with stress
echocardiogram prosthetic pulmonary valve systolic rvot tvi with stress