肺功能指标英文缩写及临床意义解析.ppt

肺功能指标英文缩写及临床意义解析肺功能指标英文缩写及临床意义解析•Tidal volume•潮气容积潮气容积TV•inspiratory reserve volume •补吸气容积补吸气容积 IRVlexpiratory reserve volumeexpiratory reserve volumel补呼气容积补呼气容积 EVRlresidual volumel残气容积残气容积 RV•inspiratory capacity•深吸气量深吸气量IClfunctional residual capacityl功能残气量功能残气量FRC•Vital capacity•肺活量肺活量VCTLC•Total lung capacity•肺总量肺总量FVCForced vital capcacity:用力肺活量：是指最大用力肺活量：是指最大吸气（吸气（TLC位）后以最大努力、最快速度呼气位）后以最大努力、最快速度呼气至完全（至完全（RV位）的呼气气量位）的呼气气量FIVC：：forced inspiratory vita cacapicity,用力吸气肺活量用力吸气肺活量FEV1.0•Forced expiratory volume in one second,简称简称1秒量，最大吸气至秒量，最大吸气至TLC位后第位后第1秒内的最快呼出气量秒内的最快呼出气量•FEV3.0•FEV6.0•FIV1.0510152468Time (s)Volume  (L)容积容积-时间曲线时间曲线Man 176 cm76 kgFVCFEV1容积容积-时间曲线时间曲线FVC流速流速-容量曲线容量曲线FEV1/FVC1秒率，是判断气道有否阻塞秒率，是判断气道有否阻塞的最重要的指标的最重要的指标PEF，，PEFR，，PIF•Peak expiratory flow 呼气峰流速呼气峰流速•Peak expiratory flow rate 呼气峰流速变异率呼气峰流速变异率•PIF：：peak inspiratory flow 吸气峰流速吸气峰流速MVV•maximal voluntary ventilation•最大自主通气量最大自主通气量MMEF，FEF25-75%, FET•Maximal mid-expiratory flow 用力呼气中期流速用力呼气中期流速•Forced expiratory flow 用力呼气流量用力呼气流量•FEF25-75% ，，forced expiratory flow from 25-75% of FVC 呼出气体呼出气体25%-75%25%-75%肺活量的平均流量肺活量的平均流量•FEF200-1200 起始用力呼气起始用力呼气200ml-1200ml200ml-1200ml的平均流量的平均流量•FET（（Texp））:forced expiratory time 用力呼气时间用力呼气时间FEF25%， max75%, MEF75%•FEF25%：：forced expiratory flow at 25% of FVC,用力呼出用力呼出25%肺活量时的瞬间呼肺活量时的瞬间呼气流量气流量•max75%: max75%: maximal expiratory flow maximal expiratory flow after 75% of the FVC has after 75% of the FVC has notnot been been exhaledexhaled•MEF75%: maximal expiratory flow after MEF75%: maximal expiratory flow after 75% of the FVC has 75% of the FVC has notnot been exhaled been exhaledFEF50%， max50%, MEF50%•FEF50%：：forced expiratory flow at 50% of FVC,用力用力呼出呼出50%肺活量时的瞬间呼气流量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• •MIFMIFMIFMIF50%50%: : : :• •FIFFIFFIFFIF50%50%：：：：• •FEFFEFFEFFEF50%50%/FIF/FIF/FIF/FIF50%50%＞＞＞＞1 1 1 1：胸外型上气道阻塞：胸外型上气道阻塞：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,用力呼出用力呼出75%肺活量时的瞬间呼肺活量时的瞬间呼气流量气流量•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 exhaledFEF， max, MEFDLco•Diffusion capacity for carbon monoxide 一氧化碳弥散量一氧化碳弥散量Carbon monoxide transfer factor determined in single breath TIco sbTIco corSTPD corrected Carbon monoxide transfer factor determined in single breath standard conditions with temperature 0℃℃, pressure760mmHg and drySTPD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每升肺泡容积的一氧化碳弥散量Krogh 常数常数,DLCO除以除以VA（（DLCO/VA））称弥散常数（称弥散常数（diffusion constant）） STPD corrected diffusion capacity for carbon monoxide per liter of alveolar volumeKKco,corPD20-FEV1, PC20-FEV1•PD20FEV1：使：使FEV1下降下降20%时累时累计吸入激发物的累计剂量计吸入激发物的累计剂量 PD: Provocation dosage •PC20FEV1:使使FEV1下降下降20%时累计时累计吸入激发物的浓度吸入激发物的浓度 PC: Provocation concentration。