[Role of heart mass in the spontaneous defibrillation process]. / Rol' massy serdtsa v protsesse spontannoi defibrilliatsii.

The duration of periods of the spontaneous reversible fibrillation of heart ventricles of different masses of guinea pigs, rabbits, pigeons and chickens was investigated. It was demonstrated, that a heart mass doesn't play an important role in the process of spontaneous heart ventricles defibrillation. Only the number of strong contacts and the level of the parasympathetic control are determined.