 The goal of fluid therapy is to maintain normovolaemia. The location of the bleeding is recorded is there any aneurysm, its size is measured; if ventricular drainage is necessary, the method that used to treat aneurysm: endovascular, clipping; time elapsed between bleeding and therapy 12-lead ECG, cardiac enzymes, TCCD measurement, neurological state, medications and its doses, blood gas analysis in case of mechanical ventilation and ventilation parameters are carried out and recorded on a daily basis. 