(臨床醫(yī)學(xué))肺功能指標(biāo)英文縮寫及臨床意義解析課件

1、肺功能指標(biāo)英文縮寫及臨床意義解析第1頁，共31頁。第2頁，共31頁。第3頁，共31頁。Tidal volume潮氣容積TV第4頁，共31頁。inspiratory reserve volume 補吸氣容積 IRV第5頁，共31頁。expiratory reserve volume補呼氣容積 EVR第6頁，共31頁。residual volume殘氣容積 RV第7頁，共31頁。inspiratory capacity深吸氣量IC第8頁，共31頁。functional residual capacity功能殘氣量FRC第9頁，共31頁。Vital capacity肺活量VC第10頁，共31頁。TL

2、CTotal lung capacity肺總量第11頁，共31頁。FVCForced vital capcacity:用力肺活量：是指最大吸氣（TLC位）后以最大努力、最快速度呼氣至完全（RV位）的呼氣氣量FIVC：forced inspiratory vita cacapicity,用力吸氣肺活量第12頁，共31頁。FEV1.0Forced expiratory volume in one second,簡稱1秒量，最大吸氣至TLC位后第1秒內(nèi)的最快呼出氣量FEV3.0FEV6.0FIV1.0第13頁，共31頁。510152468Time (s)Volume (L)容積-時間曲線Man 17

3、6 cm76 kgFVCFEV1第14頁，共31頁。容積-時間曲線第15頁，共31頁。FVC流速-容量曲線第16頁，共31頁。FEV1/FVC1秒率，是判斷氣道有否阻塞的最重要的指標(biāo)第17頁，共31頁。PEF，PEFR，PIFPeak expiratory flow 呼氣峰流速Peak expiratory flow rate 呼氣峰流速變異率PIF：peak inspiratory flow 吸氣峰流速第18頁，共31頁。MVVmaximal voluntary ventilation最大自主通氣量第19頁，共31頁。MMEF，F(xiàn)EF25-75%, FETMaximal mid-expira

4、tory flow 用力呼氣中期流速Forced expiratory flow 用力呼氣流量FEF25-75% ，forced expiratory flow from 25-75% of FVC 呼出氣體25%-75%肺活量的平均流量FEF200-1200 起始用力呼氣200ml-1200ml的平均流量FET（Texp）:forced expiratory time 用力呼氣時間第20頁，共31頁。FEF25%， max75%, MEF75%FEF25%：forced expiratory flow at 25% of FVC,用力呼出25%肺活量時的瞬間呼氣流量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頁，共31頁。FEF50%， max50%, MEF50%FEF50%：forced expiratory flow at 50% of FVC,用力呼出50%肺活量時的瞬間呼氣流量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：胸外型上氣道阻塞第22頁，共31頁。FEF75%， max25%, MEF25%FEF75%：forced expiratory flow at 75% of FVC,用力呼出75%肺活量時的瞬間呼氣流量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頁，共31頁。FEF， max, MEF第24頁，共31頁。DLcoDiffusion capacity for carbon monoxide 一氧化碳彌散量第25頁，共31頁。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頁，共31頁。Kco，DLco/VADiffusion capacity for carbon monoxide per liter of alveolar volume每升肺泡容積的一氧化碳彌散量第27頁，共31頁。Krogh 常數(shù),DLCO除以VA（DLCO/VA）稱彌散常數(shù)（diffusion constant） STPD corrected diffusion capacity for carbon monoxide per liter of alveolar volumeKKco,cor第28頁，共31頁。PD20-FEV1, PC20-FEV1PD20FEV1：使FEV1下降2