EMERGENCY MEDICINE QUESTIONS (EMQ)
Emergency Medicine Questions (EMQ)
464
| The first 150 words of the full text of this article appear below. |
Theme: Neurology
Which of the following statements regarding subarachnoid haemorrhage are true?
- A history of sentinel headache (a "warning leak") is of little value in the clinical diagnosis of subarachnoid haemorrhage.
- Computed tomography diagnostic sensitivity increases with time from onset of symptoms.
- Volume expansion is effective in preventing secondary ischaemia.
- The mortality of subarachnoid haemorrhage is approximately 30%.
Which of the following statements regarding lumbar puncture in the investigation of subarachnoid haemorrhage are true?
- Lumbar puncture should be undertaken approximately 6 h from headache onset.
- A 22 gauge atraumatic (Whitacre) spinal needle is less likely to cause post-procedural headache.
- Spectrophotometry is recommended in preference to visual inspection of cerebrospinal fluid, to permit the detection of small amounts of xanthochromia.
- A decreasing red blood cell count between the first and last specimens collected during lumbar puncture reliably differentiates traumatic tap from a true subarachnoid haemorrhage.
Which of the following statements regarding
CiteULike 
Complore 
Connotea 
Del.icio.us 
Digg 
Reddit 
Technorati What's this?
Relevant Article
-
EMQ answers
Emerg. Med. J. 2008 25: 464.[Extract] [Full Text] [PDF]
- Full Text
- Full Text (PDF)
- Correction (v25,p620)
- Submit a response
- Alert me when this article is cited
- Alert me when eLetters are posted
- Alert me if a correction is posted
Services
- Email this link to a friend
- Similar articles in this journal
- Add article to my folders
- Download to citation manager
- Request Permissions
Citing Articles
Google Scholar
Topic Collections
Bookmark with
Register for free content
The full back archive is now available for all BMJ Journals. Institutional subscribers may access the entire archive as part of their subscription. Personal subscribers will also have access to all content when logged in. Non-subscribers who register have free access to all articles published before 2006 right back to volume 1 issue 1. Register here to access the free archive of all BMJ Journals.
Don't forget to sign up for content alerts so you keep up to date with all the articles as they are published.
