48. Nontraumatic Subarachnoid Hemorrhage

  1. Jesse M. Pines1,2,
  2. Christopher R. Carpenter3,4,
  3. Ali S. Raja5 and
  4. Jeremiah D. Schuur5

Published Online: 8 NOV 2012

DOI: 10.1002/9781118482117.ch48

Evidence-Based Emergency Care: Diagnostic Testing and Clinical Decision Rules, Second Edition

Evidence-Based Emergency Care: Diagnostic Testing and Clinical Decision Rules, Second Edition

How to Cite

Pines, J. M., Carpenter, C. R., Raja, A. S. and Schuur, J. D. (2012) Nontraumatic Subarachnoid Hemorrhage, in Evidence-Based Emergency Care: Diagnostic Testing and Clinical Decision Rules, Second Edition, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9781118482117.ch48

Author Information

  1. 1

    Center for Healthcare Quality, George Washington University, Washington, DC, USA

  2. 2

    Emergency Medicine and Health Policy, George Washington University, Washington, DC, USA

  3. 3

    Evidence Based Medicine, Washington University, St. Louis, MO, USA

  4. 4

    Division of Emergency Medicine, Barnes Jewish Hospital, Washington University, St. Louis, MO, USA

  5. 5

    Department of Emergency Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA

Publication History

  1. Published Online: 8 NOV 2012
  2. Published Print: 7 NOV 2012

ISBN Information

Print ISBN: 9780470657836

Online ISBN: 9781118482117

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Keywords:

  • neurology, SAH infrequently on LP after a negative head CT;
  • nontraumatic SAH;
  • extravasation of blood into subarachnoid, on brain function;
  • bleed size, SAH classified as immediately fatal;
  • SAH morbidity/mortality, challenging ED providers;
  • criterion standard for diagnosing SAH, LP for high RBC count in CSF;
  • SAH, and noncontrast head CT sensitivity;
  • ED and SAH/limitations, SAH miss out with an absence of testing/LP;
  • test sensitivity, decreasing with time of acute headache onset;
  • missed SAH with absence of head CT, LP for ruling out SAH

Summary

This chapter contains sections titled:

  • Background

  • Clinical question

  • Comment

  • References