食管心房调搏术插管引起的恶心、呕吐及调搏时的烧灼感刺痛往往导致调搏失败.笔者试用咽后壁喷洒利多卡因取得良好止呕止痛效果.术前用喷雾器以2%利多卡因2—3ml,喷洒于咽后壁,嘱受试者吞咽.3—5min后开始插管.如仍有异常感觉可重复用药,总量不超过15ml.食管内电极漂移及不能耐受疼痛者,还可加服2%利多卡因5ml十生理盐水10ml配制 Esophageal atrial pacing intubation caused by nausea, vomiting and pacing burning sensation often lead to pacing failure.I try to use pharyngeal wall spray lidocaine good antiseptic effect.Preoperative with a 2% Lidocaine 2-3ml, sprayed on the posterior pharyngeal wall, instruct subjects to swallow .3-5min after intubation .If there are still abnormal sensations can be repeated medication, the total amount does not exceed 15ml.Electrodeolar electrode drift and intolerance Pain, but also add service 2% lidocaine 10ml saline 10ml formulated