Headache

H & P:

Carbon monoxide

Dyspnea, nausea, flushing, fatigue, multiple patients from the same building

NEURO: ↓LOC, papilledema

Glaucoma

Tearing, photophobia, vision change, Hx glaucoma, Hx steroids

NEURO: Red eye, dilated pupil, cloudy cornea, swinging light test (RAPD)

HTN emergency

Chest pain, dyspnea, vision change, weakness, paresthesia

CVS: ↑BP, S3/S4, murmur / RESP: Wheeze, crackles / NEURO: ↓LOC, papilledema

Meningitis, Encephalitis

Fever, stiff neck, nausea

GEN: Stiff neck, petechial rash / NEURO: ↓LOC, focal deficits, papilledema

Preeclampsia

Chest pain, SOB, vision ∆, wt gain, nausea, pregnancy or < 1 month postpartum

GEN: ↑BP, facial/hand edema NEURO: ↓LOC, hyperreflexia

Subarachnoid H

Thunderclap, stiff neck, nausea

GEN: Stiff neck / NEURO: ↓LOC, focal deficits, papilledema

Subdural, Epidural

Hx head trauma, diplopia

NEURO: ↓LOC, focal deficits, dilated pupil

Temporal arteritis

Scalp tender, myalgias, jaw claudication, vision change, weight loss

GEN: Low-grade fever PVS: Scalp erythema

Investigation:

CBC, Lytes, Cr, LFT, Lipase, BhCG, Trop, ECG, CXR, U/S, CT