Synovial fluid, Pleural fluid, Pericardial fluid and Peritoneal fluid
∞ Synovial fluid is collected by arthrocentesis
∞ Sodium heparin: preferred anticoagulant for synovial fluid
∞ Thoracentesis: method of collection for pleural fluid
∞ Pericardiocentesis: method of collection for pericardial fluid
∞ Paracentesis: method of collection for peritoneal fluid