Pulmonology · Internal Medicine
Light Criteria calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
Complete all required inputs to calculate the score.
Formula inputs
- Pleural-fluid protein (g/dL)Accepted range: 0 to 15
- Serum protein (g/dL)Accepted range: 0.1 to 15
- Pleural-fluid LDH (U/L)Accepted range: 0 to 10000
- Serum LDH (U/L)Accepted range: 0.1 to 10000
Primary source
Light RW et al. Pleural effusions: the diagnostic separation of transudates and exudates. Ann Intern Med (1972)
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