Pleural Effusion and Thoracentesis

Pleural Effusion and Thoracentesis
Major Objectives and Sub-Content:

1.  Anatomy Review
  • Surface anatomy
  • Pleural relationships
2.  Knobology and Imaging Technique
  • Probe selection
  • Knobology optimization
  • Imaging Technique
3.  Pleural Effusion
  • Effusion appearance
  • Individual Signs
    • Mirror Artifact and Spine Sign
    • Fibrin
    • Plankton Sign
    • Atelectactic Lung
4.  Thoracentesis
  • US Guided Landmarking
  • "Ideal" Site

5.  Evidence

Key Message:

Know your anatomy - real and sonographic - in order to correctly identify a pleural effusion and distinguish it from mimics.

Remember the effusion is ALWAYS above the diaphragm, therefore use it as an orientation landmark.


Always strive to tap the effusion at the safest spot.
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