晕厥syncope.ppt

晕厥syncope原南京中大附属医院神内科主任、硕士生导师佛山大学医学院医学系孟红旗教授、主任医师Professor、Doctordirector、NeurologistDefinitionofsyncopeSyncopeisasymptom,definedasatransient,self-limitedlossofconsciousness,,plete,,,mon,maybemorefrequentthanpreviouslythought,-,,‘near-syncope’:全脑血流量突然减少——短暂发作性意识丧失。原因:血压急骤下降心输出量突然减少脑动脉急性广泛的供血不足1、Neurally-mediatedreflexsyncopalSyndromes2、Orthostatic3、Cardiacarrhythmiasasprimarycause4、Structuralcardiacorcardiopulmonarydisease5、Cerebrovascular1、Disordersresemblingsyncopewithimpairmentorlossofconsciousness,,etc2、Disordersresemblingsyncopewithoutlossofconsciousness,"syncope"(somatizationdisorders),etcRealorapparenttransientlossofconsciousnessSyncope:Non-syncopal:↙↘↓↓(2001)3,253–260真实的或表面上的短暂意识丧失晕厥:●神经调节性●直立性低血压●作为首位原因的心律失常●器质性心脏或心肺疾病●脑血管性非晕厥:●没有意识损害的类似晕厥的紊乱,如跌倒,癔病等●有部分或完全的意识丧失的疾病,如癫痫病等↙↘Causesofsyncope1、Neurally-monfaint)OrthostaticAutonomicfailure2、CardiacarrhythmiasasprimarycauseStructuralcardiacorcardiopulmonaryCerebrovascular3、Vascularstealsyndromes4、VolumedepletionCausesofnon-monlymisdiagnosedassyncope)DisorderswithimpairmentorlossofconsciousnessMetabolicdisorders*,includinghypoglycaemia,hypoxia,hyperventilationwithhypocapniaEpilepsyIntoxicationsVertebro-basilartransientischaemicattackDisordersres