What are the exceptions in Light's criteria for pleural effusions?

Updated: Jul 02, 2019
  • Author: James J Lamberg, DO; Chief Editor: Meda Raghavendra (Raghu), MD  more...
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These are processes that typically cause exudative effusions, but may cause transudative effusions.

  • Amyloidosis

  • Chylothorax

  • Constrictive pericarditis

  • Hypothyroid pleural effusion

  • Malignancy

  • Pulmonary embolism

  • Sarcoidosis

  • Superior vena cava obstruction

  • Trapped lung

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