True about lights criteria are all except

A. Ratio of pleural fluid protein to serum protein if greater than 0.5 - then it is exudative pleural effusion.

B. Ratio of pleural fluid LDH and serum LDH if greater that 0.5 - then its exudative pleural effusion.

C. Plueral fluid LDH 2 to 3 times the upper limit of serum LDH is diagnostic of exudative pleural effusion.

D. At least one of the 3 criteria is sufficient to diagnose exudative pleural effusion.

Correct Answer: Ratio of pleural fluid LDH and serum LDH if greater that 0.5 - then its exudative pleural effusion.

Description: Ratio of pleural fluid LDH and serum LDH if greater that 0.6 - then it is exudative pleural effusion.

Category: Medicine

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