Letters Thunderclap headache

Visual inspection does not reliably detect bilirubin in CSF

BMJ 2013; 346 doi: https://doi.org/10.1136/bmj.f647 (Published 06 February 2013) Cite this as: BMJ 2013;346:f647
  1. Carrie Chadwick, clinical scientist1,
  2. Charles van Heyningen, consultant1
  1. 1Aintree University Hospital, Liverpool L9 7AL, UK
  1. carrie.chadwick{at}aintree.nhs.uk

In their review of thunderclap headache Ducros and Bousser advocate visually inspecting cerebrospinal fluid (CSF) to look for the presence of blood …

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