Info
warning signs of headache
(should prompt neuroimaging)
- Explosive onset (vasc)
- “worst HA of life” (SAH, RCVS)
- meningismus (SAH, infxn)
- Positional:
- lying >standing (↑ ICP)
- N/V (↑ ICP; migraines)
- coughing/bearing down (↑ ICP)
- Visual sx:
- diplopia, blurring, ↓ acuity (GCA, glaucoma, ↑ ICP)
- eye pain
- glaucoma,
- trigeminal autonomic cephalalgia
- optic neuritis
- Abnl exam (struct. lesion, poss. in migraine)
- ↓ consciousness
- systemic sx (fever)
- Age >65 y; immunosuppression (CNS infections, PRES)