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