A patient with suspected spinal cord compression undergoes a lumbar air study. Which finding indicates a complete block?

A patient with suspected spinal cord compression undergoes a lumbar air study. Which finding indicates a complete block?

  • Correct Answer: Absence of air flow
  • Clear CSF
  • Calcified lesions
  • Air-fluid levels

Explanation: Absence of air flow indicates a complete spinal block in a lumbar air study.

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