Regarding rheumatic pleural effusion. what is not true
Pleural fluid studies The typical "rheumatoid effusion" is a sterile exudative fluid with low pH (<7.3), low glucose (<60 mg. dL-1) and elevated lactate dehydrogenase (may be >700 IU. Rheumatoid factor is often present in pleural fluid, and may be higher than serum levels. Ref Davidson edition23rd pg 530
PH less than 7.2
LDH greater than 700
Glucose greater than 50
ADH level >50mg/dl
C.V.S