Transudative Effusion

Sub-Diseases

Tests

• Pleural fluid analysis: Appearance (yellow, milky/pus-like, bloody), LDH, TP, Cell count, Glucose, Gram stain, Culture, Cytology, pH
• Light's criteria: Exudate if Pleural LDH/Serum LDH > .6, Pleural TP/Serum TP > .5, or pleural LDH > 2/3 nl.