L5 nerve root block (fluoroscopic)

Case contributed by Frank Gaillard

Example of a fluoroscopic lumbar nerve root injection. 

  • step 1: angle to the endplate of L5 and center in image
  • step 2: rotate towards the side of injection to show scotty dog appearance and center in image
  • step 3: aim for a small triangle below the dog's snout
  • step 4: insert needle placement parallel to the central x-ray beam
  • step 5: inject contrast and demonstrate it outlining the L5 nerve

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