近年来，在心肺复苏时越来越多的学者主张气管内给肾上腺素，其理由是由气管内给药比经血管更安全和容易，特别是儿童患者更是如此。由气管内给肾上腺素的机理是药物自气管吸收进入肺循环血直接回流到左心房进入体循环而发挥作用。但是需要指出的是：由气管内给肾上腺素需要较 In recent years, more and more scholars advocate endotracheal intratracheal during cardiopulmonary resuscitation on the grounds that endotracheal administration is more safe and easier than transvascular, especially in children. The mechanism by the endotracheal adrenaline is the drug absorbed into the pulmonary circulation from the trachea directly back to the left atrium into the systemic circulation and play a role. However, it is important to point out that adrenaline is required in the trachea