[Comparative analysis of the stability of cardiovascular system functions in immobilized rats of different strains].

The dynamics of arterial pressure and heart rate was studied in rats of different genetic lines (non-linear, Wistar, Way and August) during immobilization emotional stress. Different lines were characterised by different stability and ability of adaptation to emotional stress. Prognostic criteria were specified that enable to foresee at an early stage of emotional stress the disturbances of cardio-vascular control. The conclusion is made that resistancy against cardio-vascular disturbances during emotional stress is of genetic nature as well as may be due to characteristics of individual growth.