FIELD: medicine.
SUBSTANCE: peak linear speed of blood flow in the hepatic vein is determined in pulse-wave mode on exhalation (HV1) and inhalation (HV2), at a distance of 3-5 cm from hepatic vein confluence into the lower hollow vein. To do this, an ultrasonic system with a convex sensor is used, the control volume of which is 1/3 of the diameter of the middle hepatic vein, and the pressure value in the lower cavopulmonary link is determined by the original formula.
EFFECT: method allows non-invasive monitoring of the pressure index in the lower cavopulmonary link in dynamics without additional preparation.
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