Fig. 4From: Tissue plasminogen activator with prolonged dwell time effectively evacuates pleural effusionsChange in Serum Hemoglobin by Pleural Fluid Red Cell Count. Both pleural fluid cell count and serum hemoglobin before and after tPA therapy were available for 95 patients. Of these, pleural fluid red cell count was reported as “ < 3,000 cells/mm3” for 35Back to article page