Lights Criteria for Exudative Effusions

Provides Light's Criteria to help determine if pleural fluid exudative.

Protein Paramaters

LDH Parameters

Interpretation

Source: Light RW, et. al. Pleural Effusions: The Diagnostic Separation of Transudates and Exudates. Ann Intern Med. 1972;77:507-513. doi:10.7326/0003-4819-77-4-507
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