肺功能指标英文缩写及临床意义解析ppt课件.ppt

1、肺功能指标英文缩写及临床意义解析,1,2,3,Tidal volume 潮气容积,TV,4,inspiratory reserve volume 补吸气容积,IRV,5,expiratory reserve volume 补呼气容积,EVR,6,residual volume 残气容积,RV,7,inspiratory capacity 深吸气量,IC,8,functional residual capacity 功能残气量,FRC,9,Vital capacity 肺活量,VC,10,TLC,Total lung capacity 肺总量,11,FVC,Forced vital capcac

2、ity: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：forced inspiratory vita cacapicity,用力吸气肺活量,12,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 FIV1.0,13,容积-时间曲线,Man 176 cm 76 kg,14,容积-时间曲线,15,FVC,流速-容量曲线,16,FEV1/FVC,1秒率，是判断气道有否阻塞 的最重要的指标,17,PEF，PEFR，PIF

3、,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,18,MVV,maximal voluntary ventilation 最大自主通气量,19,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

4、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,20,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 exhaled MEF75%: maximal expiratory flow after 75% of the FVC has n

5、ot been exhaled,21,FEF50%， 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 max50%: maximal expiratory flow after 50% of the FVC has not been exhaled MEF50%: maximal expiratory flow after 50% of the FVC has been not exhaled MIF50%: FIF50%： FEF50%/FIF50%1：胸外型上气道阻塞,22,FEF7

6、5%， 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%: forced expiratory flow after 25% of the FVC has not been exhaled MEF25%: maximal expiratory flow after 25% of the FVC has not been exhaled,23,FEF， max, MEF,24,DLco,Diffusion capacity for carbon monoxide 一氧化碳弥散量

7、,25,Carbon monoxidetransfer factor determined in single breath,TIco sb,TIco cor,STPD corrected Carbon monoxidetransfer factor determined in single breath,standard conditions with temperature 0, pressure760mmHg and dry,STPD,26,Kco，DLco/VA,Diffusion capacity for carbon monoxide per liter of alveolar volume,每升肺泡容积的一氧化碳弥散量,27,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 volume,K,Kco,cor,28,PD20-FEV1, PC20-FEV1,PD20F