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e46 Technique of Lumbar Puncture
Elizabeth Robbins / Stephen L. Hauser

	Figure e46-1  Proper positioning of a patient in the lateral decubitus position. Note that the shoulders and hips are in a vertical plane; the torso is perpendicular to the bed. [From RP Simon et al (eds): Clinical Neurology, 7th ed. New York, McGraw-Hill, 2009.]
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	Figure e46-2  Comparison of the standard (“traumatic” or Quincke) LP needle with the “atraumatic” (Sprotte). The “atraumatic” needle has its opening on the top surface of the needle, a design intended to reduce the chance of cutting dural fibers that, by protruding through the dura, could be responsible for...
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