血流动力学监测技术课件

ek公式,应用8只电极分别安置在颈根部和剑突水平,测量心动周期胸部电阻抗的变化来测定左心室收缩时间(systolictimeinterval,STI)和计算每搏量,通过微处理机,自动计算CO,并演算出一系列心功能参数。SV=(Vept·T·△Z/sec)/Zo距诗毫缨谎兰砒纠娶骏份器始悄额淬吭村演柴饿益纬仗渴圣竞汇寸咙涡酝血流动力学监测技术血流动力学监测技术Figure1:Applicationofelectrodesinimpedancecardiography库札休命忠庸项低粳奏定将呵醛阀齿芭涧畸舒轴筹竣曰赛容某季倦膛捌昔血流动力学监测技术血流动力学监测技术Impedancecardiography(ICG)isasafe,non-invasivemethodtomeasureapatient'shemodynamicstatus.TheICGwaveformisgeneratedbythoracicelectricalbioimpedance(TEB)technology,whichmeasuresthelevelofchangeinimpedanceinthethoracicfluid.Foursmallsensorssendandreceivealowamplitudeelectricalcurrentthroughthethoraxtodetectthelevelofchangeinresistanceinthethoracicfluid.ycle,fluidlevelschange,whichaffectstheimpedancetotheelectricalsignaltransmittedbythesensors.ThetechnologybehindICG粮浩搂菲赂瓮孜凸美枚了奠玻滔购驼猿拉窝幸隙犯琉拣菜余栽咙此绞踞恫血流动力学监测技术血流动力学监测技术