肺功能指标英文缩写及临床意义解析 Tidal volume 潮气容积TV inspiratory reserve volume 补吸气容积 IRVlexpiratory reserve volumel补呼气容积 EVREVRlresidual volumel残气容积 RVRV inspiratory capacity 深吸气量IClfunctional residual capacityl功能残气量FRC Vital capacity 肺活量VCTLC Total lung capacity 肺总量FVCForced vital capcacity:用力肺活量：是指最大吸气（TLC位）后以最大努力、最快速度呼气至完全（RV位）的呼气气量FIVC：forcedinspiratoryvitacacapicity,用力吸气肺活量FEV1.0 Forced expiratory volume in one second,简称1秒量，最大吸气至TLC位后第1秒内的最快呼出气量 FEV3.0 FEV6.0 FIV1.0510152468Time(s)Volume(L)容积-时间曲线Man176cm76kgFVCFEV1容积-时间曲线FVC流速-容量曲线FEV1/FVC1秒率，是判断气道有否阻塞的最重要的指标PEF，PEFR，PIF Peak expiratory flow 呼气峰流速 Peak expiratory flow rate 呼气峰流速变异率 PIF：peak inspiratory flow 吸气峰流速MVV maximal voluntary ventilation 最大自主通气量MMEF，FEF25-75%, FET Maximal mid-expiratory flow 用力呼气中期流速 Forced expiratory flow 用力呼气流量 FEF25-75% ，forced expiratory flow from 25-75% of FVC 呼出气体25%-75%肺活量的平均流量 FEF200-1200 起始用力呼气200ml-1200ml的平均流量 FET（Texp）:forced expiratory time 用力呼气时间FEF25%， max75%, MEF75% FEF25%：forced expiratory flow at 25% of FVC,用力呼出25%肺活量时的瞬间呼气流量 max75%: max75%: maximal expiratory flow after maximal expiratory flow after 75% of the FVC has 75% of the FVC has notnot been exhaled been exhaled MEF75%: 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,用力呼出50%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 MIFMIF50%: : FIFFIF50%： FEFFEF50%/FIF/FIF50%1 1：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75%肺活量时的瞬间呼气流量 maxmax25%: : forced expiratory flow after forced expiratory flow after 25% of the FVC has 25% of the FVC has notnot been exhaled been exhaled MEFMEF25%: maximal expiratory flow after : maximal expiratory flow after 25% of the FVC has 25% of the FVC has notnot been exhaled been exhaledFEF， max, MEFDLco Diffusion capacity for carbon monoxide 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Krogh常数,DLCO除以VA（DLCO/VA）称弥散常数（diffusionconstant）STPD corrected diffusion capacity for carbon monoxide per liter of alveolar volumeKKco,corPD20-FEV1, PC20-FEV1 PD20FEV1：使FEV1下降20%时累计吸入激发物的累计剂量 PD: Provocation dosage PC20FEV1:使FEV1下降20%时累计吸入激发物的浓度 PC: Provocation concentration。