- Recommendation ID
- NG228/01
- Question
Timing of CT head scans: What is the relative accuracy of CT head scans at different time intervals, for example 12 hours or 24 hours after symptom onset, to diagnose subarachnoid haemorrhage?
- Any explanatory notes
(if applicable) For a short explanation of why the committee made this recommendation for research, see the rationale section on diagnosing a subarachnoid haemorrhage.
Full details of the evidence and the committee's discussion are in evidence review B: diagnostic accuracy of investigations.
Source guidance details
- Comes from guidance
- Subarachnoid haemorrhage caused by a ruptured aneurysm: diagnosis and management
- Number
- NG228
- Date issued
- November 2022
Other details
| Is this a recommendation for the use of a technology only in the context of research? | No |
| Is it a recommendation that suggests collection of data or the establishment of a register? | No |
| Last Reviewed | 30/11/2022 |