肺功能指标英文缩写及临床意义解析.ppt

肺功能指标英文缩写及临床意义解析肺功能指标英文缩写及临床意义解析Tidal volume潮气容积潮气容积TVinspiratory reserve volume 补吸气容积补吸气容积 IRVlexpiratory reserve volumeexpiratory reserve volumel补呼气容积补呼气容积 EVRlresidual volumel残气容积残气容积 RVinspiratory capacity深吸气量深吸气量IClfunctional residual capacityl功能残气量功能残气量FRCVital capacity肺活量肺活量VCTLCTotal lung capacity肺总量肺总量FVCForced vital capcacity:用力肺活量：是指最大用力肺活量：是指最大吸气（吸气（TLC位）后以最大努力、最快速度呼气位）后以最大努力、最快速度呼气至完全（至完全（RV位）的呼气气量位）的呼气气量FIVC：forcedinspiratoryvitacacapicity,用力吸气肺活量用力吸气肺活量FEV1.0Forced expiratory volume in one second,简称简称1秒量，最大吸气至秒量，最大吸气至TLC位后第位后第1秒内的最快呼出气量秒内的最快呼出气量FEV3.0FEV6.0FIV1.0510152468Time(s)Volume(L)容积容积-时间曲线时间曲线Man176cm76kgFVCFEV1容积容积-时间曲线时间曲线FVC流速流速-容量曲线容量曲线FEV1/FVC1秒率，是判断气道有否阻塞秒率，是判断气道有否阻塞的最重要的指标的最重要的指标PEF，PEFR，PIFPeak expiratory flow 呼气峰流速呼气峰流速Peak expiratory flow rate 呼气峰流速变异率呼气峰流速变异率PIF：peak inspiratory flow 吸气峰流速吸气峰流速MVVmaximal voluntary ventilation最大自主通气量最大自主通气量MMEF，FEF25-75%,FETMaximal mid-expiratory flow 用力呼气中期流速用力呼气中期流速Forced expiratory flow 用力呼气流量用力呼气流量FEF25-75%，forced expiratory flow from 25-75%of FVC 呼出气体呼出气体25%-75%25%-75%肺活量的平均流量肺活量的平均流量FEF200-1200 起始用力呼气起始用力呼气200ml-1200ml200ml-1200ml的平均流量的平均流量FET（Texp）:forced expiratory time 用力呼气时间用力呼气时间FEF25%，max75%,MEF75%FEF25%：forced expiratory flow at 25%of FVC,用力呼出用力呼出25%肺活量时的瞬间呼肺活量时的瞬间呼气流量气流量 max75%:max75%:maximal expiratory flow after maximal expiratory flow after 75%of the FVC has 75%of the FVC has notnot been exhaled been exhaledMEF75%:maximal expiratory flow after MEF75%:maximal expiratory flow after 75%of the FVC has 75%of the FVC has notnot been exhaled been exhaledFEF50%，max50%,MEF50%FEF50%：forced expiratory flow at 50%of FVC,用力用力呼出呼出50%肺活量时的瞬间呼气流量肺活量时的瞬间呼气流量 maxmax50%:maximal expiratory flow after 50%of the maximal expiratory flow after 50%of the FVC has FVC has notnot been exhaled been exhaled MEFMEF50%:maximal expiratory flow after 50%of the:maximal expiratory flow after 50%of the FVC has been FVC has been notnot exhaled exhaled MIFMIFMIFMIF50%50%:FIFFIFFIFFIF50%50%：FEFFEFFEFFEF50%50%/FIF/FIF/FIF/FIF50%50%1 1 1 1：胸外型上气道阻塞：胸外型上气道阻塞：胸外型上气道阻塞：胸外型上气道阻塞FEF75%，max25%,MEF25%FEF75%：forced expiratory flow at 75%of FVC,用力呼出用力呼出75%肺活量时的瞬间呼肺活量时的瞬间呼气流量气流量 maxmax25%:forced expiratory flow after forced expiratory flow after 25%of the FVC has 25%of the FVC has notnot been exhaled been exhaledMEFMEF25%:maximal expiratory flow after:maximal expiratory flow after 25%of the FVC has 25%of the FVC has notnot been exhaled been exhaledFEF，max,MEFDLcoDiffusion capacity for carbon monoxide 一氧化碳弥散量一氧化碳弥散量CarbonmonoxidetransferfactordeterminedinsinglebreathTIco sbTIco corSTPDcorrectedCarbonmonoxidetransferfactordeterminedinsinglebreathstandardconditionswithtemperature0,pressure760mmHganddrySTPDKco，DLco/VADiffusion capacity for carbon monoxide per liter of alveolar volume每升肺泡容积的一氧化碳弥散量每升肺泡容积的一氧化碳弥散量Krogh常数常数,DLCO除以除以VA（DLCO/VA）称弥散常数（称弥散常数（diffusionconstant）STPD corrected diffusion capacity for carbon monoxide per liter of alveolar volumeKKco,corPD20-FEV1,PC20-FEV1PD20FEV1：使：使FEV1下降下降20%时累时累计吸入激发物的累计剂量计吸入激发物的累计剂量 PD:Provocation dosage PC20FEV1:使使FEV1下降下降20%时累计时累计吸入激发物的浓度吸入激发物的浓度 PC:Provocation concentration