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肺功能指标英文缩写及临床意义解析

实用文档
TIco sb
Carbon monoxide transfer factor determined in single breath
TIco cor
STPD corrected Carbon monoxide transfer factor determined in single breath
肺功能指标英文缩写及临床意义解析
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TV
• Tidal volume • 潮气容积
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IRV
• inspiratory reserve volume • 补吸atory reserve volume 补呼气容积
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RV
residual volume 残气容积
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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 flow after 75% of the FVC has not been exhaled
• MEF75%: maximal expiratory flow after 75% of the FVC has not been exhaled
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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
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IC
• inspiratory capacity
• 深吸气量
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FRC
functional residual capacity 功能残气量
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VC
• Vital capacity • 肺活量
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TLC
• Total lung capacity • 肺总量
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FVC
Forced 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
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K
Krogh 常数,DLCO除以VA(DLCO/VA) 称弥散常数(diffusion constant)
Kco,cor
STPD corrected diffusion capacity for carbon monoxide per liter of alveolar volume
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• 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
STPD
standard conditions with
temperature 0℃, pressure760mmHg
and dry
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Kco,DLco/VA
Diffusion capacity for carbon monoxide per liter of alveolar volume 每升肺泡容积的一氧化碳弥散量
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• MIF50%: • FIF50%: • FEF50%/FIF50%>1:胸外型上气道阻塞
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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 exhaled
实用文档
Volume (L)
容积-时间曲线
8
6
Man 176 cm
76 kg
FVC
4 FEV1
2
5
10
15
T实im用e文(档s)
容积-时间曲线
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流速-容量曲线
FVC
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FEV1/FVC
1秒率,是判断气道有否阻塞 的最重要的指标
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PEF,PEFR,PIF
• Peak expiratory flow 呼气峰流速
PD20-FEV1, PC20-FEV1
• PD20FEV1:使FEV1下降20%时累 计吸入激发物的累计剂量 PD: Provocation dosage
• PC20FEV1:使FEV1下降20%时累计 吸入激发物的浓度 PC: Provocation concentration
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• max50%: maximal expiratory flow after 50% of the FVC has not been exhaled
• MEF50%: maximal expiratory flow after 50% of the FVC has been not exhaled
• Peak expiratory flow rate 呼气峰流速变异率
• PIF:peak inspiratory flow 吸气峰流速
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MVV
• maximal voluntary ventilation • 最大自主通气量
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MMEF,FEF25-75%, FET
• Maximal mid-expiratory flow 用力呼气中期流速
• MEF25%: maximal expiratory flow after 25% of the FVC has not been exhaled
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FEF, max, MEF
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DLco
• Diffusion capacity for carbon monoxide 一氧化碳弥散量
FIVC:forced inspiratory vita cacapicity,用力吸气肺活量
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FEV1.0
• Forced 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
• FEV3.0 • FEV6.0 • FIV1.0
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