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Serous Fluid o Serous fluids are formed as ultrafiltrates of plasma, with no additional material contributed by the mesothelial cells that line the membranes.o Production and reabsorptio
PHAN TICH DICH MANG BUNG, MANG PHOI & MANG TIM TS Nguyễn Hữu Tùng | Serous Fluid (Dich mang) Definition o o gq ce pericardium Cavity: Pericardial, pleural, peritoneal Serous membrane: Perietal membrane - Visceral membrane Parietal pleural Pleural cavity with serous fluid o Serous fluid Visceral pleural Diaphragm Front Right Peritoneum Left spine Back Retroperitoneum | Serous Fluid Formation Parietal Visceral pleura Chest \ wall o Serous fluids ultrafiltrates no are of additional formed plasma, , as with material \ pleura Pleural \ space yf | | Lung Systemic _ contributed by the mesothelial cells that line the membranes o Production and reabsorption are subject to hydrostatic and colloidal pressures from the capillaries that serve the cavities and the capillary permeability ——— b pressure } | — pressure +30 Intrapleural pressure _ —-11 - Intrapleural pressure +З> +10-—© Lymphatic system ‘Table 13-1 on ae Pleural Effusion? | Pathologic Causes of Effusions Increased capillary hydrostatic pressure Congestive heart failure Salt and fluid retention Decreased oncotic pressure Nephrotic syndrome Hepatic cirrhosis Malnutrition Protein-losing enteropathy Increased capillary permeability Microbial infections Membrane inflammations Malignancy Lymphatic obstruction Malignant tumors, lymphomas Infection and inflammation Thoracic duct injury Specimen Collection and Handling o Method: Needle aspiration o Volume o Sample care and Caution Transudate and Exudate sr); (2&-9e ŒZ Laboratory Differentiation of Transudates and Exudates Appearance Transudate Exudate Clear Cloudy Fluid:serum protein ratio 0.5 Fluid:serum LD ratio 0.6 WEC count 1000/pL Spontancous clotting No Possible Pleural fluid cholesterol 45-60 mg/dL Pleural fluid:serum cholesterol ratio 0.3 Pleural fluid:bilirubin ratio 0.6 >1.1 0.5 Fluid: serum LD >0.6 Appearance Fluid LD > 2/3 upper normal serum value Milky Any positive Ị Ỉ Yos Hematocrit | | Triglycerides Transudate Glucose ADA WBC/Diff Amylase pH TT} | ADA >40U/L WBC/Diff Amylase ll Pericardial Fluid