it was established that in patients with pulmonary hypertension the average pulmonary circulation time is reduced and the bolus is retained at the level of the trunk of the pulmonary artery , whereas in diminished contractility of the myocardium of the right heart the rate of venous blood return to the heart is reduced and the bolus is retained at the level of the subclavian vein .
C0027061
myocardium
C0018787
heart