Pitfalls in the diagnosis of subarachnoid haemorrhage

BMJ 1995; 311 doi: https://doi.org/10.1136/bmj.311.7009.871c (Published 30 September 1995) Cite this as: BMJ 1995;311:871
  1. Fergus Coakley,
  2. Nick Messios,
  3. Bruno Morgan,
  4. Richard Owen
  1. Senior registrar in radiology Consultant neuroradiologist Senior registrar in radiology Senior registrar in radiology Leicester Royal Infirmary, Leicester LE1 5WW

    EDITOR,--Damianos E Sakas and colleagues report on four cases in which subarachnoid haemorrhage could have been mistaken for head injury and emphasise the role of computed tomography in such cases. We recently reviewed 26 patients who had both computed tomography and lumbar puncture out of 208 patients with confirmed subarachnoid haemorrhage seen at our institution over 41 months. Two clinically important pitfalls in the diagnosis of subarachnoid haemorrhage by computed tomography were highlighted.

    Firstly, only six of 18 patients in whom computed …

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