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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/4/27,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,2021/4/27,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/4/27,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/4/27,*,窄QRS心动过速的诊断与鉴别诊断,窄QRS心动过速的诊断与鉴别诊断窄QRS心动过速的诊断与鉴别诊断快速室上性心律失常包括窦性心动过速、不恰当窦性心动过速,房速(异常自律性、房内折返、多源性房速、冠状窦性心动过速,等),交界性心动过速(房室结折返性心动过速、加速交界节律,等),旁路参加的房室折返性心动过速,房扑、房颤2021/4/272,窄QRS心动过速的诊断与鉴别诊断窄QRS心动过速的诊断与鉴别,快速室上性心律失常,包括,窦性心动过速、不恰当窦性心动过速,房速(异常自律性、房内折返、多源性房速、冠状窦性心动过速,等),交界性心动过速(房室结折返性心动过速、加速交界节律,等),旁路参加的房室折返性心动过速,房扑、房颤,2021/4/27,2,快速室上性心律失常包括窦性心动过速、不恰当窦性心动过速202,传统的室上性心动过速的分类,阵发性 房性、交界性,非阵发性 房性、交界性,随着电生理的进展,进一步拓展了认识和细化,2021/4/27,3,传统的室上性心动过速的分类阵发性 房性、交界性2021/4,重点介绍:,1.,不适当窦速,2.,房扑与房性心动过速,(AT):5%,17%,3.,房室结折返性心动过速,(AVNRT):25%,50%,4.,房室折返性心动过速,(AVRT):30%,75%,2021/4/27,4,重点介绍:1.不适当窦速2021/4/274,一、窦性心动过速,不适当性窦速,心动过速的,P,波电轴与窦律一致,静息或轻微活动心率,100,次,/min,无窦速继发因素,排除房速,渐发渐止,2021/4/27,5,一、窦性心动过速不适当性窦速2021/4/275,IST的药物治疗,B-Bs,应用;,非双氢吡啶类钙拮抗剂;,f,通道抑制剂:伊伐布雷定应用。,2021/4/27,6,IST的药物治疗B-Bs应用;2021/4/276,二、房速,自律性,自发或异丙肾诱发,早搏刺激不能诱发或终止,折返性,早搏刺激可诱发及终止,能拖带,2021/4/27,7,二、房速自律性2021/4/277,Atrial Tachycardia Localization,P wave Morphology,V1 or+/-,V1+or-/+,Right Atrium,Left Atrium,CW Tang,JACC 1995,PM Kister,JACC 2006,II,III,aVF,Superior,Inferior,(+),(-),II,V1,(aVL+or+/-),(aVL or iso),2021/4/27,8,Atrial Tachycardia Localizatio,CP951145-58,2021/4/27,9,CP951145-582021/4/279,ECG during palpitations,2021/4/27,10,ECG during palpitations2021/4/,三、房扑,型房扑,型房扑,2021/4/27,11,三、房扑型房扑2021/4/2711,Ia,型房扑,2:1,II,、,III,、,aVF,导联,F,波倒置,V1,导联,F,波呈正向,,V6,导联呈负向,心房率,300,次,/,分,心房扑动心电图分类(,型),2021/4/27,12,Ia型房扑2:1心房扑动心电图分类(型)2021/4/27,心房扑动心电图分类,(,型,),II,型房扑,2-3:1,II,、,III,、,aVF,导联,F,波直立,V1,导联,F,波呈负向,,V6,导联呈正向,心房率,300,次,/,分,2021/4/27,13,心房扑动心电图分类(型)II型房扑2-3:12021/4/,四、阵发性房室结折返性心动过速,概述,阵发性房室结折返性心动过速(,PAVNRT,)占,30-50%,年轻人易发,女多于男,2021/4/27,14,四、阵发性房室结折返性心动过速概述2021/4/2714,解剖基础,1,典型途径,(95%),慢快型:慢径前传,快径逆传,2,非典型途径,快慢型:快径前传,慢径逆传,2021/4/27,15,解剖基础2021/4/2715,2021/4/27,16,2021/4/2716,2021/4/27,17,2021/4/2717,2021/4/27,18,2021/4/2718,体表心电图的特点,房性回波呈足头方向,下壁导联可出现假,q,波和,s,波,,V1,可出现假,r,波;,70%,与,QRS,波完全融合,2021/4/27,19,体表心电图的特点2021/4/2719,I,II,III,II,aVR,aVL,aVF,V1,V2,V3,V4,V5,V6,14-year-old female with a 6-year history palpitations,2021/4/27,20,IIIIIIIIaVRaVLaVFV1V2V3V4V5V61,I,II,III,II,aVR,aVL,aVF,V1,V2,V3,V4,V5,V6,14-year-old girl with a 6-year history palpitations,2021/4/27,21,IIIIIIIIaVRaVLaVFV1V2V3V4V5V61,2021/4/27,22,2021/4/2722,2021/4/27,23,2021/4/2723,2021/4/27,24,2021/4/2724,AVNRT,的特殊表现,房室结双径路有共同下通道,若,His,束阻滞,,AVNRT,可伴,2:1,房室传导,AVNRT,伴,2:1,室房传导罕见,2021/4/27,25,AVNRT的特殊表现房室结双径路有共同下通道2021/4/2,2021/4/27,26,2021/4/2726,药物影响,1,-,阻滞剂和钙拮抗剂,延长慢径不应期,2,类药物,阻滞快径逆传,3,异丙肾上腺素,改善快径逆传,及,/,或慢径前传,4,腺苷,小剂量阻断快径,大剂量阻断双径,2021/4/27,27,药物影响2021/4/2727,五、阵发性房室折返性心动过速,顺向型房室折返性心动过速解剖基础:,心房,心室,房室结,(,顺传,),房室旁道,2021/4/27,28,五、阵发性房室折返性心动过速顺向型房室折返性心动过速解剖基础,Wolff-Parkinson-White Syndrome,Orthodromic Reentrant Tachycardia,2021/4/27,29,Wolff-Parkinson-White Syndrome,旁道类型,显性房室旁道,隐匿性房室旁道(多为左侧),2021/4/27,30,旁道类型2021/4/2730,AVRT,体表心电图的特点,1.,辨认逆行,P,波,比较,RP/PR,RP,PR,(逆,P,在,QRS,波之后):典型旁道,还见于,AT,伴房室结功能性阻滞,RP,PR,(逆,P,在,QRS,波之前):慢旁道,还见于,AT,、不典型,AVNRT,2.ST,段下移,任一导联,ST,段下移,2mm,2021/4/27,31,AVRT体表心电图的特点2021/4/2731,Utility of RP Interval in Diagnosing SVT,RR,RR,Short RP,tachycardia,Long RP,tachycardia,RP,PR,RP,RP,RP,RP,RR,RR,2021/4/27,32,Utility of RP Interval in Diag,心室预激,2021/4/27,33,心室预激2021/4/2733,顺向型,AVRT,2021/4/27,34,顺向型AVRT2021/4/2734,11-Year-Old Boy,ER evaluation for rapid HRReceived 6 mg Adenosine,2021/4/27,35,11-Year-Old BoyER evaluation,药物对旁路的影响,类和,类抗心律失常药物可延长旁路不应期;,类和,类不能延长旁路不应期;,洋地黄能加快旁路前向传导,对逆传型,AVRT,以及预激合并房颤是禁用的。,2021/4/27,36,药物对旁路的影响类和类抗心律失常药物可延长旁路不应期;2,小结,窦律预激波:,AVRT,(,AVNRT,),明确逆行,P,波:,RPPR,(,AT,、慢旁道、快慢型,AVNRT,),明确无逆行,P,波:,AVNRT,V1,假,r,波及或,II,、,III,、,aVF,假,q,波或,s,波:,AVNRT,2021/4/27,37,小结窦律预激波:AVRT(AVNRT)2021/4/273,谢谢大家,!,2021/4/27,38,谢谢大家!2021/4/2738,谢谢观赏,谢谢观赏,
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