POSTGANGLIONIC SYMPATHETIC DISCHARGE AND THE EFFECT OF INHALATION ANAESTHETICS

摘要: SUMMARY Postganglionic cardiac, carotid, and hypogastric sympathetic activity was recorded before during administration of inhalation anaesthetics, in rabbits ventilated with oxygen given gallamine. During control periods, when light anaesthesia maintained pentobarbitone, changes postganglionic discharge preceded, or responded to, alterations arterial pressure. increased by cyclopropane, which raised pressure; ether, produced more variable circulatory changes; usually halothane, lowered Occasional units, identified on film, showed partial inhibition halothane anaesthesia.