THE EEG FOR EXPERIMENTAL ASPHYXIA IN DOGS

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It was studied on EEG, ECG and respiration curve those were during acute ashyxia with twenty-four anesthetized mongrel adult dogs by pentobarbital sodium (27.5 mg/kg by i.v.) and following results were obtained.<BR>The result may show the intermittent flatening of EEG was started from just before the stoppage of respiration by experimental asphyxia. The intermittent flatening of EEG was changed to continuous flatening after stoppage of respiration till the artificial respiration is started. The EEG was recovered gradually after started artificial respiration. The period of no respiration were sixteen to eighty-seven seconds, but two cases of dogs were fail to recovered and those of no respiration periods were seventy-five and eighty-seven seconds. In the overdoses of anesthesia, which also may show the same condition of EEG. If it appears the intermittent flatening of EEG must be taken precaution. Even show the flatening of EEG, it can be recovered if the artificial respiration is started as immediately as possible.
獣医麻酔外科学会の論文