心电图学教学专家讲座.pptx

心电图学教程Electrocardiogramteachingcourse一、心电图学基础FundamentoftheECG二、心电图临床应用ClinicalapplicationoftheECG一、心电图学基础FundamentoftheECG（一）心血管传导系统cardiovascularintrinsicconductionsystem心脏传导系统由以下几部分组成（二）正常心电图波形normalelectrocardiographiccomplexes正常心电图波形normalelectrocardiographiccomplexes（三）心电图导联leadsoftheECG双极肢体导联bipolarextremity胸前导联（precordialleads）胸前导联（precordialleads）二、心电图临床应用ClinicalapplicationoftheECG（一）心电图测量方法determinationmethodoftheECG通常可依据肢体Ⅰ、Ⅲ导联QRS波群主波方向，以估测心电轴大致方位：若Ⅰ、Ⅲ导联QRS波主波均为正向波，则可推断为正常心电轴（0～90）；正常位心脏normalposition心电轴转位rotationonthelongaxis顺时钟转位clockwiserolation逆时钟转位counterclockwiserolation正常心与右位心导联比较右位心dextrocardia心电轴转位rotationontheanteroposterioraxisQRS综合向量指向左下方(＋75°~＋110°)，aVF主波向上，aVL和aVR主波向下。QRS综合向量指向左上方(0°~30°),aVL主波向上，aVR和aVF主波向下。QRS综合向量指向左下方(约30°)，aVL和aVF主波向上（与V5、V6相同），aVR主波向下。水平位心horizontalheart垂直位心verticalheart中间位心intermediateheart（二）正常心电图normalECG心电图综合波、间期和段检测determinationofECGcomplexes,intervals,andsegments心率检测determinationoftheheartrate正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegments正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegments正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegments正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegments正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegmentsQRS波群正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegments正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegments正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegments正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegments正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegments正常心电图综合波、间期和段图解diagramofECGcomplexes,intervals,andsegments（三）心房与心室肥大atrialandventricularhypertrophy1.心房肥大atrialhypertrophy左心房肥大leftatrialhypertrophy右心房肥大rightatrialhypertrophy双侧心房肥大biatrialhypertrophy2.心室肥大ventricularhypertrophy左心室肥大leftventricularhypertrophy左心室肥大leftventricularhypertrophy左心室肥大leftventricularhypertrophy左心室肥大leftventricularhypertrophy右心室肥大rightventricularhypertrophy右心室肥大rightventricularhypertrophy右心室肥大rightventricularhypertrophy右心室肥大