Neurology Flashcards
Contraindications to triptans (I.e. sumatriptan)
CAD
Vasculitis
Pregnancy
Management for refractory migraines (lasting > 72 hours)
IV prochlorperazine or metoclopramide + IV diphenhydramine
OR
IV Dihydroergotamine
Prophylaxis for migraines < 15x per month
Beta blockers
Topiramate
Valproate
Amitryptyline
Prophylaxis for migraines > 15x per month
1) Topiramate
2) Botox
Recurrent unilateral/retro-orbital headaches > 6-10x per day lasting 15-20 min.
Management
Dx: Chronic paroxysmal headaches
Tx: Indomethacin
Headache with obesity and vision problems and/or blurring of optic disc margins (papilledema).
Idiopathic intracranial hypertension
Management for trigeminal neuralgia
MRI Brain
Carbamazepine
Ptosis, miosis, anhydrosis
Compression if sympathetic chain (I.e. pancoast tumor - CXR; or carotid artery dissection - CTA neck)
Ptosis + mydriasis
Berry aneurysm compression of CN III
Optic nerve lesion
Ipsilateral complete blindness
Optic chiasm lesion
Bitemporal hemianopia
Optic tract lesion
Contralateral dense homonymous hemianopia
Optic radiation lesion
Contralateral homonymous quadrantanopia / dense hemianopia / macular sparing
Carotid artery syndrome
Ipsilateral visual loss
Contralateral motor or sensory changes
Vertebrobasilar syndrome
Dizziness
Diplopia
Dysarthria
Most important risk factor for stroke
Hypertension
Symptomatic with > 70% carotid artery stenosis
Carotid endarterectomy + ASA
Symptomatic with > 70% carotid artery stenosis and NOT surgical candidate
Transcarotid stent + ASA
Symptomatic with < 50% carotid artery stenosis
ASA
Asymptomatic with > 80% carotid artery stenosis
Carotid endarterectomy + ASA
Asymptomatic + total carotid artery occlusion
Medical management (collaterals present)
HTN, visual disturbances with hemianopsia/auras/cortical blindness. MRI brain with white matter edema in parietal-occipital region
Posterior reversible encephalopathy syndrome
Ipsilateral loss of pain/temp in face
Contralateral loss of pain/temp in body
Lateral medullary syndrome
Wallenberg syndrome - posterior inferior cerebella artery
Hemiparesis with involuntary shaking movements
Quadriplegia
Locked-in syndrome
Basilar artery stroke
Hyperdense lesion in parietal area suggestive of subarachnoid hematoma
Amyloid angiopathy
Management for subarachnoid hemorrhage
angiogram and endovascular clip
Management for Vasospasm In subarachnoid hemorrhage
Nimodipine
ONLY horizontal nystagmus
Peripheral vertigo