echocardiography: systolic time-velocity integral (TVI) of distal right pulmonary vein at end of inspiration
echocardiography: systolic time-velocity integral (tvi) of distal right pulmonary vein at end of inspiration
echocardiogram pulmonary veins right distal systolic TVI at end of inspiration
echocardiogram pulmonary veins right distal systolic tvi at end of inspiration