内科护理学英语考试资料dysrhythmias.pptx

文档介绍：Propertiesofcardiactissue心脏组织的特性Automaticity自律性:::::abriefreview传导系统PwavebeginswiththefiringoftheSAnodeandrepresentsdepolarization去极化ofthefibersoftheatria心房,,,:,AVnode房室结,bundleofHis希氏束,,rhythm节律,originsite起源部位,,atrialfibrillation房颤ventricularflutter室扑,duction冲动传导异常Physiological:生理性:interferenceandseparationofAV干扰和房室分离pathological病理性:blockofSA窦房传导阻滞blockofatrialpathway房内传导阻滞blockofatrioventricularpathway房室传导阻滞Blockofbundlebranch束支或分支阻滞或室内阻滞房室间传导途径异常:WPW预激综合征Sinustachycardia窦性心动过速Clinicalassociation:Itassociatedwithphysiologicalstressorssuchasexercise,fever,pain,anxiety,hypotension,hypovolemia低血容量,anemia,hypoxemia低氧血症,hypoglycemia低血糖症,myocardialischemia,CHF,