Headache Red Flags
Sudden onset or accelerating pattern
No similar headache in past
Age > 50 years
Occipitonuchal HA
Visual disturbances
Exertional
Family history of SAH
Focal neurologic signs
Diastolic BP > 120
Papilledema
Jaw claudication
Headache in setting of:
1. Infection
2. Cancer
3. Immunosuppression
4. Syncope
5. Trauma
6. Altered mental status
7. Systemic illness (fever, stiff neck, rash)
8. Nausea/vomiting
7. Patient on anticoagulation, steroids, NSAIDs
