open hood是什么意思

用法例句

Methods:110 patients with cardiopulmonary sudden were randomly divided into 3 groups:A group(mask mouth-pharynx airway-tracheal intubation group),B group(laryngeal mask airway-tracheal intubation group)and normal C group(tracheal intubation group).

方法:选择心跳、呼吸骤停需紧急心肺复苏的患者110例,随机分为序贯性气道开放实施A组(面罩气囊口咽通气管-气管插管组)、B组(喉罩-气管插管组)和常规气管插管C组,比较三组在心肺脑复苏急救中的实施时效性、复苏成功率、并发症及存活率。