【正文】
k ? Prevent postoperative nausea and vomitingrelated to pharyngeal stimulation, postoperative pain, anesthetic drugs etc 第二節(jié) 麻醉選擇及常用麻醉方法 The anesthetic choices and mon anesthetic methods 凡手術(shù)創(chuàng)傷大、手術(shù)出血多、手術(shù)時(shí)間長、兒童及不合作的成年人、術(shù)者在術(shù)中難以保持呼吸道通暢、以及有可能發(fā)生反流誤吸的病人,均選用全身麻醉 第三節(jié) 麻醉管理與麻醉后處理Management during and after anesthesia (一 ) During anesthesia (1) Ensure the airway Causes of airway obstructions : Tongue falling down, laryngo spasm, bronchiospasm ,secretions,blood and debris drain into larynx, tracheal tube kinking (2) Maintain statisfied ventilation Inadequate ventilation may result in hypoxaemia, hypercapnia The criteria of satisfied ventilation: ? SpO2 98100% PET CO2 3045mmHg ?Bloodgas analysis ?TV 810