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病史:患者,女性,50岁,1981年6月10日入院。入院前30天出现干咳,有少量白痰,不带血丝,偶有气短伴无力,食欲不振,渐瘦。X线检查见左肺底有盘状不张。入院时体检及常规化验无明显异常。血气分析:pH7.393,PCO_2 23 mmHg,PO_250.1mmHg,—HCO_3 13.7mEq/L,SB(标准碳酸氢)16.3mEq/L,BEp(血浆剩余硷)—10.6mEq/L,BEb(全血剩余硷)—9.3mEq/L,BE_(Hb5)(血红蛋白5克时的剩余硷)—10mEq/L,SaO_2(血氧饱和度)84.6％,PHNR
History: Patient, female, 50 years old, admitted to hospital on June 10, 1981. Dry cough 30 days before admission, a small amount of white sputum, no bloodshot eyes, occasional shortness of breath with weakness, loss of appetite, thinner. X-ray examination showed disc at the left atelectasis. Physical examination and routine laboratory tests showed no abnormalities. Blood Gas Analysis: pH 7.393, PCO 2 23 mmHg, PO 2 50.1 mmHg, -HCO 3 13.7 mEq / L, SB (Standard Hydrogen Carbonate) 16.3 mEq / L, BEp (Plasma Remaining Base) -10.6 mEq / L, Alkaline) -9.3 mEq / L, BE_ (Hb5) (remaining base at hemoglobin 5 g) -10 mEq / L, SaO2 (blood oxygen saturation) 84.6%, PHNR