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General Reference ⬇

Nejm 2005;352:1791

Pathophys and Cause ⬆ ⬇

Pathophys:Venous infarction and cerebral HT, blocked CSF flow

Epidemiology ⬆ ⬇

Children and young adults; 75% women

Signs and Symptoms ⬆ ⬇

Sx:Headache (90%), unaffected by position; h/o head injury, ob delivery, bcp use, LP, otitis/mastoiditis

Si:Seizure (40%), abducens palsy, papilledema

Course ⬆ ⬇

80% recover full or near full function

Lab and Xray ⬆ ⬇

Xray:MRI, CT angiography

Treatment ⬆

Rx:Heparinize despite risk of bleeding into hemorrhagic infarcts, then warfarin × 6 mo to INR 2.5

of incr intracranial pressures: LPs and acetazolamide 500 mg po bid