病理教研室 马光
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Transcript of 病理教研室 马光
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1. 2. 3. 4.
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250ml/min1.5L
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(Partial Pressure of Oxygen, PO2) PaO2100mmHg13.3kPa PvO2 40mmHg5.33kPa
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oxygen binding capacity, CO2max 100mlHb 100ml15gHbCO2max200ml/L HbHbO2
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oxygen content, CO2 100mlHbHb CaO2190ml/LCvO2140ml/L
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oxygen saturation, SO2 Hb%=-/100/100 SaO295% SvO275% PaO2 [H+]2,3-DPGCO2T
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-A-VdO2 CaO2CvO250ml/L1L50ml
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hypoxic hypoxia
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1 3000m 2 / 3 Fallots
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1 2 Hb
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3 60mmHg (8kPa)PaO260mmHgSaO2CaO2 4- -
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5 2.6g/dl5g /dl 5g/dl5g/dl
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1PaO22CO2max3CaO24SaO25A-VdO26
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hemic hypoxia isotonic hypoxemia
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1 2 CO210 3 4 Hb
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1 2 3- - HbO2- -
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4 HbO2 5 1 2CO 3O2Hb 4
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1PaO22CO2max3CaO24SaO25A-Vd O26
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circulatory hypoxia
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1. 2.
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1 2- 3
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1PaO22CO2max3CaO24SaO25A-VdO26
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histogenous hypoxia
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1 2 3
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123-
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1PaO22CO2max3CaO24SaO25A-VdO26
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1
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2
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165 24~757 3
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1 2 3 4
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1 2 3 4
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23-DPG
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1 2 3
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ATP
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1 2
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1 2 3COCO
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0.5
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2~364
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8
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1 2 3 4 5 6
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1. 2. 3. 4.