FIELD: medicine, pediatrics. SUBSTANCE: one should study clinical manifestations, tolerance to physical loadings and cardiointervalographic data. At revealing the decrease in sympathetic and parasympathetic activity of an autonomic nerve system the stage of subcompensation is diagnosed, at the increase of sympathetic and the decrease of parasympathetic activity - the stage of irritation, and at the decrease of sympathetic and the increase of parasympathetic activity - the stage of depression. The method enables to conduct earlier disease diagnostics and evaluate the possibilities of functional reserve of adaptation. EFFECT: higher efficiency. 1 dwg, 6 tbl
