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. 2017 Jul;38(7):1276–1283. doi: 10.3174/ajnr.A5128

Fig 2.

Fig 2.

Adult patient, BMI 49, with bowel incarceration requiring an operation, now with altered mental status. LP was requested to exclude meningitis. The patient is in the right lateral decubitus position so that the respiratory technologist can control the tracheostomy and airway. Note the tip of the needle in the mid-spinal canal.