血气分析参数参考资料

P50, a/f, BE)Р肺胞氧分压РAaDO2t=PAO2t-PaO2tРPAO2t = (Baro-pH2Ot) FIO2 - PACO2t[FIO2+(1-FIO2)/RQ]Рfor pAO2 ³ PO2, otherwise pAO2 = PO2РpH2Ot=47*10exp[(t-37)(0.0237-0.0001(t-37))]РPACO2t=PaCO2tР[mmHg]Р氢离子浓度РcH+ = 10(9-pH)Р[nmol/l]Р标准离子钙РnCapH=7.4 = Ca*10exp[F5(pH-7.4)]Р 0.22 血 pact3 仅计算血参数РF5=Р 0.24 血清/血浆Р[mmol/l]Р病人体温的PO2 РPO2t = PO2 10exp[(t-37)(5.49*10exp(-11)Р*PO2exp(3.88)+0.071)/(9.72*10exp(-9)Р*PO2exp(3.88)+2.3)Р[mmHg]Р病人体温的PCO2 РPCO2t = PCO2 Р[mmHg]Р病人体温的pH РpHt = pH-(t-37) (0.0147+0.0065 (pH-7.4))Р[pH-unit]Р下列方程式的测量值和输入值单位: РpH?РpH-unitРP50?РmmHgРPCO2?РmmHgРa/f?Р-РPO2?РmmHgРRQ?Р-РtHb?Рg/dlРFIO2?Р-Р单位的转换РO2cont?Р1 vol% = 0,4464 mmol/lРtHb?Р1 g/dl = 10 g/l = 0.6206 mmol/lР РBaro?Р1 mmHg = 1.3333 mbar = 0.1333 kPaР名词缩写Рa:?arterial-d动脉?v:?venous-静脉РA:?alveolar-肺胞?t:?patient temperature-b病人体温