Objective Structured Clinical Examination in Intensive Care Medicine by Jeyasankar Jeyanathan Daniel Owens

Author:Jeyasankar Jeyanathan,Daniel Owens
Language: eng
Format: epub
Tags: Critical Care
Publisher: TFM Publishing Ltd

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Light’s criteria.

6)

Can you define Light’s criteria?

3 marks (1 mark for each correct stem)

According to Light’s criteria, pleural fluid is an exudate if one of the following is identified from the pleural fluid analysis:

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Ratio of pleural fluid protein to serum protein is >0.5.

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Ratio of pleural fluid lactate dehydrogenase (LDH) to serum LDH is >0.6.

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Pleural fluid LDH is >2/3 times the laboratory’s upper limit of a normal range for LDH.

7)

List the tests you would request when sending the pleural fluid to the lab.

5 marks (1 mark for each correct stem, with a maximum of 5 marks)

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