Prevalence for Diagnosis: Subarachnoid Hemorrhage
| Population / Calculator | Prevalence | Comments / Study / Link | Order |
| Headaches in the emergency department [Edit] |
1% | http://sinaiem.wordpress.com/2007/05/07/sah-update-are-new-ct-scanners-good-enough-to-obviate-the-lp/ | Move Up Move Down |