FIELD: medicine.
SUBSTANCE: invention concerns medicine, particularly traumatology. Pulsating arterial blood flow rate is registered in main liver mass area. Distance between electrodes and patient's body surface area are measured, liver index (LI) is calculated by formula: LI=ρ·L2·Ad·Te·NHC/Z2·1000·S, where LI is liver index (l/min/m2), ρ is constant of volumetric blood impedance, 150 Ohm*cm, L is distance between electrodes (cm), Z is basic impedance (Ohm), Ad is differential rheogram amplitude (Ohm/second), Te is blood expulsion time (seconds), NHC is number of heart contractions per minute, S is body are (m2), 1000 is index of conversion to litres. If LI is under 0.31 l/min/m2, then liver dysfunction is diagnosed.
EFFECT: expanded range of medicines for liver dysfunction prevention for patients with concomitant injury.
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