(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第1页，共31页。第2页，共31页。第3页，共31页。Tidal volume潮气容积TV第4页，共31页。inspiratory reserve volume 补吸气容积 IRV第5页，共31页。expiratory reserve volume补呼气容积 EVR第6页，共31页。residual volume残气容积 RV第7页，共31页。inspiratory capacity深吸气量IC第8页，共31页。functional residual capacity功能残气量FRC第9页，共31页。Vital capacity肺活量VC第10页，共31页。TL

2、CTotal lung capacity肺总量第11页，共31页。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：forced inspiratory vita cacapicity,用力吸气肺活量第12页，共31页。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FEV3.0FEV6.0FIV1.0第13页，共31页。510152468Time (s)Volume (L)容积-时间曲线Man 17

3、6 cm76 kgFVCFEV1第14页，共31页。容积-时间曲线第15页，共31页。FVC流速-容量曲线第16页，共31页。FEV1/FVC1秒率，是判断气道有否阻塞的最重要的指标第17页，共31页。PEF，PEFR，PIFPeak expiratory flow 呼气峰流速Peak expiratory flow rate 呼气峰流速变异率PIF：peak inspiratory flow 吸气峰流速第18页，共31页。MVVmaximal voluntary ventilation最大自主通气量第19页，共31页。MMEF，FEF25-75%, FETMaximal mid-expira

4、tory 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 用力呼气时间第20页，共31页。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%: maxim

5、al expiratory flow after 75% of the FVC has not been exhaledMEF75%: maximal expiratory flow after 75% of the FVC has not been exhaled第21页，共31页。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

6、MEF50%: maximal expiratory flow after 50% of the FVC has been not exhaledMIF50%:FIF50%：FEF50%/FIF50%1：胸外型上气道阻塞第22页，共31页。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%: forced expiratory flow after 25% of the FVC has not been exhaledMEF25%: maximal expirato

7、ry flow after 25% of the FVC has not been exhaled第23页，共31页。FEF， max, MEF第24页，共31页。DLcoDiffusion capacity for carbon monoxide 一氧化碳弥散量第25页，共31页。Carbon monoxidetransfer factor determined in single breath TIco sbTIco corSTPD corrected Carbon monoxidetransfer factor determined in single breath standard c

8、onditions with temperature 0, pressure760mmHg and drySTPD第26页，共31页。Kco，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第27页，共31页。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,cor第28页，共31页。PD20-FEV1, PC20-FEV1PD20FEV1：使FEV1下降2