肺功能指标英文缩写及临床意义解析医学课件

肺功能指标英文缩写及临床意义解析123Tidal

volume潮气容积TV4inspiratory

reserve

volume补吸气容积IRV5expiratory

reserve

volume补呼气容积6EVRresidual

volume残气容积RV7inspiratory

capacity深吸气量IC8functional

residual

capacity功能残气量FRC9Vital

capacity肺活量VC10TLCTotal

lung

capacity肺总量11FVC12Forced

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

inspiratoryvitacacapicity,用力吸气肺活量FEV1.0Forced

expiratory

volume

in

onesecond,简称1秒量，最大吸气至TLC位后第1秒内的最快呼出气量FEV3.0FEV6.0FIV1.0135102468Time

(s)Volume

(L)容积-时间曲线Man176

cm76

kgFVCFEV11514容积-时间曲线15FVC16流速-容量曲线FEV1/FVC171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

rate呼气峰流速变异率PIF：peak

inspiratory

flow吸气峰流速18MVVmaximal

voluntary

ventilation最大自主通气量19MMEF，FEF25-75%,

FET•20Maximalmid-expiratoryflow用力呼气中期流速Forced

expiratoryflow用力呼气流量FEF25-75%

，forced

expiratory

flow

from

25-75%

ofFVC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

flowafter

75%

of

the

FVC

has

not

beenexhaledMEF75%:

maximal

expiratory

flowafter75%

of

the

FVC

hasnot

beenexhaled21FEF50%，

max50%,

MEF50%22FEF50%：forced

expiratory

flow

at

50%

of

FVC,用力呼出50%肺活量时的瞬间呼气流量

max50%:maximalexpiratoryflow

after

50%of

theFVC

has

not

been

exhaledMEF50%:maximal

expiratory

flowafter50%

oftheFVC

has

beennot

exhaledMIF50%:FIF50%：FEF50%/FIF50%＞1：胸外型上气道阻塞FEF75%，

max25%,MEF25%23FEF75%：forcedFEF，

max,

MEF24DLco25Diffusion

capacity

for

carbonmonoxide一氧化碳弥散量TIco

sb26Carbon

monoxide

transfer

factor

determinedin

single

breathTIco

corSTPD

corrected

Carbon

monoxide

transfer

factordetermined

in

single

breathSTPDstandard

conditions

with

temperature0℃,

pressure760mmHg

and

dryKco，DLco/VA27Diffusion

capacity

for

carbon

monoxideper

liter

of

alveolar

volume每升肺泡容积的一氧化碳弥散量K28Krogh

常数,DLCO除以VA（DLCO/VA）称弥散常数（diffusion

constant）Kco,corSTPD

corrected

diffusion

capacity

for

carbonmonoxide

per

liter

of

alveolar

volumePD20-FEV1,

PC20-FEV1PD20FEV1：使FEV1