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Pleural Effusion: Exudate versus Transudate*

Pleural Effusion: Exudate versus Transudate*: Excerpt from A Pocket Manual of Differential Diagnosis

Characteristics of an exudative effusion
   Pleural fluid–serum protein ratio >0.5
   Pleural fluid lactic dehydrogenase (LDH) greater than two-thirds of the upper limit of normal for serum LDH
   Pleural fluid–serum LDH ratio >0.6

References

1. Light RW, et al: Pleural Effusions: The Diagnostic Separation of Transudates and Exudates. Ann Intern Med 77:507, 1972.
2. See Bibliography, 10.

*An exudate has one or more of these three characteristics; a transudate does not have any of these characteristics.

Book Source Details

• Book Title: A Pocket Manual of Differential Diagnosis
• Author(s): Stephen N. Adler, Dianne B. Gasbarra
• Year of Publication: 1999
• Copyright Details: A Pocket Manual of Differential Diagnosis, Copyright © 1999 Lippincott Williams & Wilkins.

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More About This Book: Title: A Pocket Manual of Differential Diagnosis Authors: Stephen N. Adler, Dianne B. Gasbarra Publisher: Lippincott Williams & Wilkins Copyright: 1999 ISBN: 0-78171-943-7

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