Pleural effusion in rheumatoid arthritis is typically associated with the following features except-: (A) Glucose > 60 mg/dl, (B) Protein > 3 gm/dl, (C) Pleural fluid protien to serum protein ratio of >0-5, (D) Pleural fluid LDH to serum LDH ratio of >0-6
Answer is A. Ans. is 'a' i.e., Glucose > 620 mg/dl o When glucose in pleural fluid is less than 60mg/dl it is low glucose pleural fluid.Causes of Low glucose pleural fluido Malignancyo Rheumatoid arthritis o Empyemao Hemothoraxo Paragonimiasiso Churg strauss syndromeo Lupus pleuritis (occasionally)