[临床医学]肺功能指标英文缩写及临床意义解析课件

1、肺功能指标英文缩写及临床意义解析Tidal volume潮气容积TVinspiratory reserve volume 补吸气容积 IRVexpiratory reserve volume补呼气容积 EVRresidual volume残气容积 RVinspiratory capacity深吸气量ICfunctional residual capacity功能残气量FRCVital capacity肺活量VCTLCTotal 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

2、气量FIVC：forced inspiratory vita cacapicity,用力吸气肺活量FEV1.0Forced 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FEV3.0FEV6.0FIV1.0510152468Time (s)Volume (L)容积-时间曲线Man 176 cm76 kgFVCFEV1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，PIFPeak expiratory flow 呼气峰流速Peak expiratory flow r

3、ate 呼气峰流速变异率PIF：peak inspiratory flow 吸气峰流速MVVmaximal voluntary ventilation最大自主通气量MMEF，FEF25-75%, FETMaximal 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

4、 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%: maximal expiratory flow after 75% of the FVC has not been exhaledMEF75%: maximal expiratory flow after 75% of the FVC has not been exhaledFEF50%， max50%, MEF50%FEF50%：forced expiratory flow at 50%

5、 of FVC,用力呼出50%肺活量时的瞬间呼气流量max50%: maximal expiratory flow after 50% of the FVC has not been exhaledMEF50%: maximal expiratory flow after 50% of the FVC has been not exhaledMIF50%:FIF50%：FEF50%/FIF50%1：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max25%:

6、 forced expiratory flow after 25% of the FVC has not been exhaledMEF25%: maximal expiratory flow after 25% of the FVC has not been exhaledFEF， max, MEFDLcoDiffusion capacity for carbon monoxide 一氧化碳弥散量Carbon monoxidetransfer factor determined in single breath TIco sbTIco corSTPD corrected Carbon mon

7、oxidetransfer factor determined in single breath standard conditions with temperature 0, pressure760mmHg and drySTPDKco，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（diffusion constant） STPD corrected diffusion capacity for carbon monoxide per liter of alveolar volumeKKco,corPD20-FEV1, PC20-FEV1PD