EBQ:Perry Subarachnoid Haemorrhage Study: Difference between revisions
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==Clinical Question== | ==Clinical Question== | ||
What is the sensitivity of non-contrast head CT for detecting spontaneous subarachnoid hemorrhage (SAH), when performed on a third-generation CT scanner within 6 hours of headache onset? | |||
==Conclusion== | ==Conclusion== | ||
Revision as of 17:11, 6 October 2014
incomplete Journal Club Article
Perry JJ et al. "High risk clinical characteristics for subarachnoid haemorrhage in patients with acute headache: prospective cohort study". BMJ. 2010. 28(341):c5204.
PubMed Full text PDF
PubMed Full text PDF
Clinical Question
What is the sensitivity of non-contrast head CT for detecting spontaneous subarachnoid hemorrhage (SAH), when performed on a third-generation CT scanner within 6 hours of headache onset?
Conclusion
Major Points
Inclusion Criteria
- >15 years old
- Acute headache reaching peak intensity within one hour
- Normal neurologic exam
- CT ordered by the treating physician to rule out SAH
Exclusion Criteria
- Focal neurologic deficits
- Papilledema
- History of SAH
- History aneurysm
- Previous VP shunt
- Brain neoplasm
- Onset of headache >14 days ago
- Recurrent headache (≥3 similar)
- Transfer with confirmed diagnosis of SAH