the fluidРCellular analysis shows more than 60% of neutrophils.РAs ARDS resolves neutrophils are replaced with alveolar macrophages.РAnother interesting finding is the presence of a marker of pulmonary fibrosis called procollagen peptide III (PCPIII) and this correlates with mortality.РPresence of more eosinophils suggest eosinophilic pneumonia, high lymphocyte counts may be seen in hypersensitivity pneumonitis, sarcoidosis, BOOP, or other acute forms of interstitial lung disease.Р30/07/2000Р9РDR.T.M.K- ARDSРDifferential diagnosisРInfectious causes?Bacteria - Gm neg & pos , mycobacteriae, mycoplasma, rickettsia, chlamydia?Viruses- CMV, RSV, hanta virus, adeno virus, influenza virus?Fungi- H.capsulatum, C.immitis?parasites- pneumocytis carinii, toxoplasma gondiiР30/07/2000Р10РDR.T.M.K- ARDS
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