Towards evidence based emergency medicine: best BETs from the Manchester Royal Infirmary. Use of ultrasonography for lumbar puncture.

A short cut review was carried out to establish whether ultrasonography can assist in the performing of a lumbar puncture. Fifty-one citations were reviewed of which three answered the three part question. The clinical bottom line is that ultrasound shows early promise as a tool to assist in achieving a successful lumbar puncture.