肺 炎 Pneumonia 内容提要 概述 定义 分类 支气管肺炎 病因 病理 病理生理 临床表现 并发症 实验室检查 诊断与鉴别诊断 治疗 几种不同病原体所致的肺炎.
第三章 肺功能检查 ( Lung function)
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Transcript of 第三章 肺功能检查 ( Lung function)
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(Lung function)
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1.2.3.4.5.
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,,(basal lung volume)(basal lung capacity)
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5
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1.tidal volume TV ) 500ml VT
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2.(expiratory reserve volume EVR ) 1603492ml 1126338ml3.(inspiratory reserve volume EVR ) ERVIRV
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3.inspiratory capacity IC ) IC2/34/52 IC=VT+IRV 2617 548ml1970 381 IC
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5.Vital capacity, VC): 55%45% VC=IC+ERV
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12
- 4217 690ml 3105 452ml/
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5.functiongal residual capacity FRC): RV3112611ml 2348479ml 6.(residual volume RV): 1615397ml 1245336ml
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6.todal lung capacity TLC): TLC=VC+RC 5766782 ml; 4353644 ml
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FRCRVHeN2
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RV/TLC35%40%
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1.minute ventilation,VE) VTRR/min = VE 6663200 ml 4217160 ml25%75% 10L/ min3L/min
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2.maximal voluntary ventilation, MMV)1 1042.71 L 82.52.17 L%80%
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1MVV2
>95
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forced vital capacityFVC
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forced expiratory volume in one second,FEV1.0): FEV1.0 FEV1.0/FEV%FEV1.0/VC% 312383%96%99%
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FEV1.0 3179117 ml 231448 ml FEV1.0/FEV% 80
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: FEV1.0 FEV1.0/FEV% : FEV1.0/FEV%
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(maximal mid-expiratory flow curve,MMEF,MME) FVC25%~75% 34521160ml 2836946 ml
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MMFFVCMMFMMFFEV1.0/FEV%
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(alveolar ventilation,VA) 500ml150ml VA = ( VT - VD ) RR
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dead space ventilation VD) /
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VD/VTVD/VT=0.30.4
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1.FVCMVV
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VC/%MVV/%
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VCMVV/ FEV1.0/FVC% >80 >70 8071 7061 7051 6041 5021 40 20
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FEV1.0/FVC% N* MVV N* VC N* 1.0 =1.0
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2.
RV/TLC(%) (%) 35 2.47 3645 4.43 4655 6.15 56 8.40
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3. FEV1.0/FEC%12
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0.2mg1520FEV1 .0FEV1.0/FVC%15%15%~24%25%~40%40%15%
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(PEF) REF
20
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4.
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7501250ml1.5% -
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/Ventilation / perfusionratio,V/Q 4 L/ 5L / 0.8V/Q=0.8 V/Q0.8-V/Q0.8
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V/QV/Q
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18.2338.41 ml/Kpa*min ; 20.85 23.9 ml/Kpa*min 80%
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-MEFVVC50%VC25%70%