阵发性交感神经兴奋.ppt

文档介绍：PSH李祥全WHATISPSHPSH:ParoxysmalSympatheticHyperactivityParoxysmal:阵发性SympatheticHyperactivity:交感活性增高WHATISPSH交感神经副交感神经WHATISPSH交感神经兴奋是一种应激反应,起到一定的机体保护作用WHATISPSH交感兴奋时可有以下变化:心率加快胃肠道血管收缩呼吸增快汗腺分泌瞳孔扩大糖原分解膀胱逼尿肌松弛、括约肌收缩肌张力升高!准备战斗!WHATISPSHWHATISPSH平衡是机体正常的生理需求交感VS副交感WHATISPSHPSH:unbalancedsympatheticsurgescausinghyperthermiadiaphoresistachycardiahypertensiontachypneadystonicposturingdevelopabruptlyandlastforashorttimeWHATISPSHcharacteristic:±(range,15–50min)(range,3―8/day)Only20%ofpatientswhowerefollowedupat12monthsafterinjuryshowedcontinuedsignsofPSHYoungerageandmalegenderhavebeencitedasriskfactors