Most pleural effusions have a pleural fluid glucose concentration similar to that of blood glucose, including effusions due to CHF and nearly all transudates. The following exudates may have a low (< 60 mg/dL) pleural fluid
glucose concentration: rheumatoid pleurisy, parapneumonic effusion or empyema, malignant effusion, tuberculous pleurisy, lupus pleuritis, and esophageal rupture.3
- Effusion due to CHF.
3. Sahn SA. Pathogenesis and clinical features of diseases associated with a low pleural fluid glucose. In: Chretien J, Bignon J, Hirsch A, editors. The pleura in health and disease. New York: Marcel Dekker; 1985:267-85.
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