在医院外心脏停跳的病人经抢救只有3％幸存。有心收缩不全或出现迟缓性心律不齐时肾上腺素对恢复窦性心率有帮助。肾上腺素的给药途径通常是从周围静脉、中央静脉或心脏内;但每种方法都存在给药速度和进针困难的问题。有许多人报道动物经气管内给予肾上腺素有效,而在人类经气管内给予的报道却不多。仅难以经静脉给药时,则由气管内给药,现应 Only 3% of patients surviving cardiac arrest outside the hospital survived. Adrenalin may be helpful in restoring sinus rhythm when there is congestive insufficiency or when there is delayed arrhythmia. The route of administration of epinephrine is usually from the peripheral vein, central vein or heart; however, there is a problem with the speed of administration and the difficulty of needle insertion for each method. There are many reports that animals are effectively administered endotracheal intratracheally, and few have been reported for endotracheal administration in humans. Only difficult to intravenous administration, then by the endotracheal administration, should be