恶性心律失常及常见心律失常识别与急诊处理课件

恶性心律失常及常见心律失常识别与急诊处理Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyLEvaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL传导系统示意图AVNBundleofhisAnteriorfascicleLeftbundlebranchRightbundlebranchnternalPurkinjefibersPosteriorfascicleEvaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL恶性心律失常定义及分类定义:能在短时间内引起严重血流动力学障碍,导致患者晕厥甚至猝死心失常。分类:快速型心律失常严重的缓慢型心律失常Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL快速型心律失常严重的缓慢型心律失常持续性室性心动过速严重的病态窦房结综合症心室扑动高度或Ⅲ度房室传导阻滞心室颤动预激综合征伴心房颤动Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL性心动过速心电图3个或以上的室早连续出现RS宽大畸形,时间三0.12″,有继发性心室率通常为100250次/分,整齐房室分离心室夺获和室性融合波;通常发作突然开始Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL心室扑动心室颤动70NAAA元QRs及ST-T无从分辨匀齐、连续粗大波动,频率约150~250bpm3室颤混乱被动,频率约250~500bpmEvaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyLCNDSOCa个AA1.QRS及ST-T无从分辨2.室扑,匀齐、连续粗大N波动,频率约150~250bpm3.室颤,混乱波动,频率“们/的250~500bpmEvaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyLavI∧^AAM综合征并房心室率快而不规则,M常达200bm以上QRs波群竞大畸形Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2019-2019AsposePtyL性心动过速多形性室速尖端扭转型室速紊乱性室速心率逐渐加快有蜕变为空颤的室速心率过快(>230次/分)的持续性单形性室速Evaluauononr.chAsposeslidesforNET4odie