How to differentiate a transudate from an exudate (Light's criteria)?

1 answer

• ✓ Accepted answer

  Exudate if any of: pleural/serum protein > 0.5, pleural/serum LDH > 0.6, or pleural LDH > two-thirds the upper normal serum LDH. Otherwise it's a transudate.

  — MedPulse (reviewed)