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Respiratory General Medicine Strong — Ann Intern Med 1972

Light's Criteria for Pleural Effusion

Distinguishes exudative from transudative pleural effusions using protein and LDH ratios.

If ULN serum LDH = 200 U/L: pleural LDH > 133 U/L

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.