echocardiography: systolic time-velocity integral (TVI) of pulmonary valve of right ventricular outflow tract at end of inspiration
echocardiography: systolic time-velocity integral (tvi) of pulmonary valve of right ventricular outflow tract at end of inspiration
echocardiography: systolic time-velocity integral (TVI) of pulmonary valve of right ventricular outflow tract at end of inspiration (procedure)
echocardiography: systolic time-velocity integral (tvi) of pulmonary valve of right ventricular outflow tract at end of inspiration (procedure)