Learn about exudates, diagnostic criteria, and causes of pleural effusion. Light’s Criteria Rule helps differentiate transudates and exudates based on protein and LDH levels. Low pleural fluid glucose indicates specific conditions like rheumatoid pleurisy or malignant effusion. CD4 counts guide prophylaxis against infections like Mycobacterium avium complex and histoplasmosis. Get insights into glucose transport variations and specific glucose utilization in different pleural fluid condi…