<prompt> Pleural fluid having low glucose is seen in all exceptTuberculosisEmphysemaRheumatoid ahritisMesothelioma  <response>: Ref Harrison 19 th edpg 1717 Figure 316-1 Glucose 60 mgdL Consider: Malignancy Bacterial infections Rheumatoid pleuritis . In tubercular effusion , pleural fluid glucose level is usually normal mildly reduced. 