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5 Cards in this Set
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Lights Criteria |
Protein: <25g/L = trans >35g/L = exudate fluid protein:serum protein >.5 exudate
LDH: (pleural:serum >.6) Exudate |
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Causes of Exudate: |
Exudate = Evil:
Infection: Pneumonia, Tb, Malignancy: Bronchogenic Ca, Lymphoma, malignant mets, mesothelioma, carcinomatosis, Auto-immune: RA, SLE, |
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Causes of transudate: |
Transudate = Tolerable:
Heart failure, fluid overload Hypo-proteinemia. Liver failure Renal failure Malabsorption and hypothyroidism |
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Investigations: |
Chest XR - Effusions seen by blunting of CP angle USS - can guide aspiration Diagnostic aspiration: -draw off 10-30ml fluid and send to lab |
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Management: |
Treat underlying cause Drain if Symptoms --> remove slow PLeuradhesis: Sugergy |
