Neurology Flashcards
What are examples of a migraine with aura?
visual loss, hallucinations, flashing lights, numbness, tingling, aphasia, confusion
Brainstem aura: ataxia, vertigo, dysarthria, diplopia, tinnitus, hyperacusis, alteration in consciousness
Hemiplegic
Differential diagnosis of a migraine (4)
1) tension type headache
2) trigeminal neuralgia
3) medication overuse headache
4) chronic migraine headache
What can be used as prophylaxis for tension type headache vs trigeminal neuralgia?
Tension type: TCAs
trigeminal neuralgia: carbamezapine
What types of migraines are best treated by nasal triptans or subcutaneous sumatriptan? (3)
1) migraine present when awakening
2) migraine with vomiting
3) escalates quickly
Which antiemetic can be used for migraine-associated nausea and enahnace efficacy of abortive medication?
metaclopramide
When to use migraine prophylaxis?
Headache occurs more than ___ per month
disabling headache occurs ___ per month
use of acute migraine meds more than ___ per month
Headache occurs more than 10 days per month
disabling headache occurs 4 per month
use of acute migraine meds more than 8 per month
What are 5 migraine prophylaxis meds that can be used?
amytripyline, topiramate, valproic acid, metoprolol, propranolol, venlafaxine
What are 4 types of trigeminal autononic cephalgias?
1) cluster headache
2) chronic paroxysmal hemicranias
3) SUNCCT
4) hemicrania continua
What is this headache?
periobital, 20-60min several times a day
repeats over weeks then dormant
sx: nilateral tearing, nasal congestion, rhinorrhea
What is the treatment?
cluster headache
tx: oxygen, triptan
prophylaxis: verapamil
What is this headache?
> 5x daily lasting 3-20 min
What is treatment?
chronic paroxysmal hemicranias
tx: indomethacin
What is this headache?
dozens to hundreds x a day lasting 1-600 seconds, unilateral periocular, see in men in 50s
What is treatment?
SUNCT(Short-lasting unilateral neuralgiform headache with conjunctival injection and tearing)
tx: resistant to treatment
What is this headache?
persistent unilateral headache that responds to indomethacin
hemicrania continua
What is 4 differentials for a thunderclap headache?
1) subarachnoid hemorrhage
2) cerebral/vertebral dissection
3) thrombosis of cerebral vein or dural sinus
4) reversible cerebral vasoconstriction syndrome
What are 4 clinical features of a seizure that suggest it was a partial seizure that turned into a generalized seizure?
1) head turning to one side
2) aura
3) focal weakness
4) unilateral shaking
What are 4 comorbidities with epilepsy?
1) sleep disorders
2) mood disorders
3) metabolic bone disease
4) hyperlipidemia
What are 6 situations that would convince you to start AED after a first time unprovoked seizure?
1) age >65
2) h/o partial seizure
3) h/o significant head trauma
4) h/o postictal weakness/paralysis
5) focal findings on EEG
6) focal findings on imaging
What is the best AED for generalized epilepsy?
valproic acid
What is the cheapest AED for focal epilepsy?
carbamezapine
Which AED interacts with other hepatically metabolized drug and increases risk for osteoporosis and hypercholesterolemia?
carbamezapine
Which AED can cause weight gain, hypercholesterolemia, PCOS, teratogenicity?
valproic acid
Which AEDs cause risk of kidney stones? (2)
topiramate and zonisamide
which AEDs cause hyponatremia? (2)
carbamazepine and oxcarbazepine
Which 2 AEDs can be continued through pregnancy?
Keppra and lamotrigine
True/False:
carbamazepine, oxcarbazepine, phenytoin, topiramate, clobazam, felbamate, phenobarbital causes decrease in efficacy of hormonal contraception
True