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Percussion, auscultation and transillumination

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The characteristics of hernias depend on their contents:

  • bowel is hyper-resonant and has bowel sounds unless it is strangulated
  • omentum and fat is dull and does not have bowel sounds
  • a fluid-filled sac transilluminates e.g. hydrocoele

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