肺功能指標英文縮寫及臨床意義解析醫(yī)學課件

肺功能指標英文縮寫及臨床意義解析123Tidal

volume潮氣容積TV4inspiratory

reserve

volume補吸氣容積IRV5expiratory

reserve

volume補呼氣容積6EVRresidual

volume殘氣容積RV7inspiratory

capacity深吸氣量IC8functional

residual

capacity功能殘氣量FRC9Vital

capacity肺活量VC10TLCTotal

lung

capacity肺總量11FVC12Forced

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

inspiratoryvitacacapicity,用力吸氣肺活量FEV1.0Forced

expiratory

volume

in

onesecond,簡稱1秒量，最大吸氣至TLC位后第1秒內的最快呼出氣量FEV3.0FEV6.0FIV1.0135102468Time

(s)Volume

(L)容積-時間曲線Man176

cm76

kgFVCFEV11514容積-時間曲線15FVC16流速-容量曲線FEV1/FVC171秒率，是判斷氣道有否阻塞的最重要的指標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18MVVmaximal

voluntary

ventilation最大自主通氣量19MMEF，F(xiàn)EF25-75%,

FET?20Maximalmid-expiratoryflow用力呼氣中期流速Forced

expiratoryflow用力呼氣流量FEF25-75%

，forced

expiratory

flow

from

25-75%

ofFVC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%:

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%肺活量時的瞬間呼氣流量

max50%:maximalexpiratoryflow

after

50%of

theFVC

has

not

been

exhaledMEF50%:maximal

expiratory

flowafter50%

oftheFVC

has

beennot

exhaledMIF50%:FIF50%：FEF50%/FIF50%＞1：胸外型上氣道阻塞FEF75%，

max25%,MEF25%23FEF75%：forcedFEF，

max,

MEF24DLco25Diffusion

capacity

for

carbonmonoxide一氧化碳彌散量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每升肺泡容積的一氧化碳彌散量K28Krogh

常數(shù),DLCO除以VA（DLCO/VA）稱彌散常數(shù)（diffusion

constant）Kco,corSTPD

corrected

diffusion

capacity

for

carbonmonoxide

per

liter

of

alveolar

volumePD20-FEV1,

PC20-FEV1PD20FEV1：使FEV1