不适当窦性心动过速厦门大学附属心血管病医院李枚娟黄卫斌病例资料•姓名:林XX•性别:年龄:38•入院日期:2018-03-20•主诉:活动后胸闷、心悸3月余•现病史:缘于3月前无明显诱因出现活动后胸闷、心悸，伴气促，无胸痛、大汗，无头晕、头痛、黑矇、晕厥等不适，未重视。门诊以“扩张型心肌病？心功能II级心律失常阵发性房性心动过速”收入我科.•辅助检查:心电图：1.窦性心动过速；2.部分T波改变。•心脏彩超：1.全心腔扩大；2.三尖瓣中度关闭不全，二尖瓣轻度关闭不全；3.左心室收缩功能减低；4.心动过速。EF16％。入院ECG&UCG入院Holter诊断:无休止房速2018.03.23射频消融MAP•行激动标测，最早点位于右心耳尖部AblationRAA尖部RightatriumfromelectroanatomicalmappinginanRAOview.ActivationattheapexoftheRAAistheearliest.MacroscopingRAAfindings.ScarringduetoRFCAwasvisiblearoundthebaseoftheRAA;however,attheapexoftheRAA,therewasnoscarring(upperpanel).TheRAAhadasaccularshape(lowerpanel).(A)ECGshowsAT(120BPM)fromtheRAA.PleasenoteinferiorP-waveaxisandnegativePwaveinV1.STelevationisduetopericarditisafterpreviousepicardialpunctureandmappinginthefirstprocedure.(B)ElectroanatomicreconstructionoftheRAandRAAperformedinthefirstunsuccessfulablationprocedure.LocalactivationtimingsindicatefocalAToriginfromRAA.(A)LassocatheterpositionedintheRAA(3–4to7–8)andintheRA(1–2to3–4and8–9to9–10).(B)CompleteelectricalRAA-RAdissociation.Theanteriorringelectrodes(3–4to7–8)showincessantATinsidetheRAA(∗)whereasmoreposteriorelectrodespositionedintheRAshowdissociatedSR(1–2to3–4and8–9to9–10).右心耳起源房速的心电图特征•下壁导联P波直立，（振幅较小）。AVRP波倒置，AVL倒置或位于等电位线，胸前区V1(有时包括V2联)导联P波为负向波或先正后负，而在其他胸前导联移行为低平或正向波。敏感性100%，特异性98%。•发生率约占全部房速的8%•无休止发作较为常见•容易合并心动过速心肌病•温醒现象常见，局部张力及机械刺激容易终止右心耳解剖特点右心房前上部的锥体形盲囊突出于心房体部之外，遮于主动脉根部右侧，称右心耳。右心耳内壁有许多大致平行排列的肌肉隆起，称梳状肌，向后连于界嵴上。photographedwithtransilluminationtodisplaythethinwallbetweenthepectinatemuscles.•ThewallthicknessobtainedfortheRAwas1.11±0.42mm,andfortheRAAwas0.53±0.33mm,andthecomparisonoftheseresultsshowedthatRAAthicknesswassignificantlysmallerthanthatofRA(p<0.05).AdoniramMFigueiredo,etc.Isolatedrightatrialappendage(RAA)ruptureinblunttrauma–acasereportandananatomicstudycomparingRAAandrightatrium(RA)wallthickness.WorldJEmergSurg.2007;2:5.•Thepectinatemuscleslinethewalloftheappendageasaseriesofinterconnectingridgesinterspacedwithverythinareasthatarealmostlackinginmusculature.Insomehearts,thefashion.Inothers,theridgesarenotasuniformlyarrangedridgesalongtheparietalwallarealignedinnearlyparallelbuthaveabundantcross-overswiththin-interlacingstrandsinbetween(Sa´nchez-Quintanaetal.,2002GODKNOWSWHERETHECATHETERIS！右心耳的解剖学特征与消融治疗•心耳壁薄•空间位置难于定位•导管位置难于固定•内膜有梳状肌分布，难于贴靠与消融•血流缓慢，易发生穿孔与焦痂，影响能量释放•部分情况下，局部区域解剖消融可能提高消融成功率术后复查心电图HR:120BPM术后复查Holter总心搏:159058平均心率:114bpm心率变异性:SDNN为37，SDANN为22，SDNNIndex为26，r-MSSD为46，提示心率变异性明显减低心动过速类型?不适当窦速:一般定义为对生理或情绪压力过度反应，安静状态下心率超过90-100bpm，十二导的P波形态呈明确的窦性机制。诊断:不适当窦速2018.03.29射频消融ECGMAP心动过速周长稳定在502ms，行第一次激动标测，最早点如图MAP消融过程中出现第二种形态P波的心动过速（P波倒置），行第...
