DECAF Score for Acute Exacerbation of COPDLoading...Extended MRC Dyspnea Scale (eMRCD)Not too dyspneic to leave house (eMRCD 1-4)0Too dyspneic to leave house but independent w/ washing/dressing (eMRCD 5a)+1Too dyspneic to leave house and wash/dress (eMRCD 5b)+2EosinopeniaNo0Yes+1Consolidation on CXRNo0Yes+1AcidemiaNo0Yes+1AFibNo0Yes+1适用指征洞见与注意事项