[Changes in cardiac activity in the acute period of subarachnoid hemorrhage].

In the acute phase of subarachnoidal hemorrhages which was seen in 32 patients the author studied changes in the cardiac activity and phasic structures of cardiac contraction. The studies were supplemented by electrocardiographic and polycardiographic methods permitting to determined separate phases of cardiac contraction and quantitatively characterize the contracting function of the myocardium. In 21 patients according to the EGC data there were changes in the cardiac activity. It is assumed that the main role in the development of such changes during subarachnoidal hemorrhages belongs to diencephalic brain structures, the changed function of which lead to distrubances of central regulation of the heart activity.