7颈动脉插管 (Common Carotid Artery Catheterization) >在气管正中钝性分离颈阔肌 >注意：分离左侧颈总动脉 颈总动脉 (left common carotid artery) 迷走N 交感N减压N7.颈动脉插管 (Common Carotid Artery Catheterization)  在气管正中钝性分离颈阔肌  注意:分离左侧颈总动脉 (left common carotid artery) 颈总动脉 迷走N 交感N 减压N