Ascites and Paracentesis

Major Objectives and Sub-Content:

1. What is it?

2. Knobology and Imaging Technique

  • Probe selection
  • Knobology optimization
  • Imaging Technique
3. Ascites
  • Sonographic Features
4. Paracetensis
  • US Guided Landmarking
  • "Ideal" Site
Key Message:

For paracentesis site landmarking, always strive to localize the "Ideal" Site - the safest spot to insert the needle.

Beware of fluid containing structures (eg. bladder, ovarian cyst) that can mimic peritoneal cavity fluid. 

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