AECOPD(I51.COPD(C)A.B.C.-D.2.(A)A.COPDB.C.D.3.COPD(D)A.B.C.D.4.COPDBA.B.C.D.5.20022020COPD(C)A.B.C.D.6.COPD(C)A.B.C.D.7.AA.2mmB.1mm2mmC.D.8.PEEPi(C)A.B.C.D.9.COPD(D)A.B.C.-D.10.COPDDA.B.C.COPDD.21./AA.B.C.D.2.NPPVAECOPD(D)A.B.C.D.APACHEII3.AECOPDNPPV(D)A.15cmH2OB.20cmH2OC.22cmH2OD.25cmH2O4.AECOPD(C)A.B.IPPVC.NPPVD.5.(A)A.pH7.25B.7.25pH7.35C.pH7.35D.6.NPPVj(D)A.B.C.D.7.AECOPDNPPV(A)A.20/B.40-100L/minC./D.8.pH7.35AECOPDDA.NPPVB.PaCO2PHC.NPPVD.9.NPPV(C)A.NPPV50%B.1-2hNPPVC.NPPV1-2D./NPPV10.NPPV1-6(C)A.pHB.PaCO2C.D.31.NPPVDA.B.C.D.2.NPPV43(D)A.B.C.D.3.NPPV(D)A.B.C.NPPVD.4.CA.pH7.3NPPVB.ICUNPPVIPPVC.88D.NPPV485.NPPV(A)A.EPAP24cmH2OIPAP48cmH2OB.EPAP48cmH2OIPAP24cmH2OC.EPAP12cmH2OIPAP24cmH2OD.EPAP24cmH2OIPAP12cmH2O6.NPPV(A)A.AECOPDB.SpO2NPPVC.NPPVSpO2/D.NPPV1-2NPPV7.NPPV(C)A.B.?C.D.8.NPPVAA.B.C.D.9.NPPVBA.B.NPPVC.D.10.AECOPD(C)A.CPAPB.PSVC.BiPAPD.PCV41.(D)A.DPHB.C.D.2.AECOPD(B)A.2-3L/minB.2-5L/minC.3-7L/minD.4-6L/min3.CA.20-25cmH2OB.25-30cmH2OC.35-40cmH2OD.40-45cmH2O4.AECOPDflow(D)A.10-20L/minB.20-30L/minC.30-50L/minD.40-60L/min5.AECOPDBA.B.C.D.6.AECOPD(C)A.B.C.D.7.AECOPDAA.B.C.NPPVD.PaCO28.(D)A.B.C.D.9.PEEPi(D)A.B.C.D.10.(C)A.B.C.D.5-1.AA.B.C.D.2.COPD(D)A.517B.1537C.2237D.35673.(D)A.-B.IIC.10000/mm3D.1000/mm34.NPPVAECOPDA.B.NPPVICUC.NPPVD.NPPV5.(C)A.B.C.D.6.BA.B.C.D.7.-(C)A.IPPVIPPVNPPVB.-IPPVIPPVC.-IPPVICUD.RCT-AECOPD8.CA.B.C.D.9.(B)A.B.C.-D.10.AA.B.38C.D.