Neurology Flashcards
contralateral hemiparesis and hemisensory deficit is caused by a stroke where?
middle meningeal artery
how will homonymous hemianopsia present?
if stroke is to the middle meningeal artery on the right side; the left visual fields of each eye will be affected
name a few manifestations of an anterior cerebral infarct?
1) contralateral weakness of leg/foot
2) broca’s aphasia
3) incontinence
4) abulia
homonymous hemianopsia or other visual field defects are likely due to an infarct where?
posterior cerebral
nausea, vomiting, vertigo, hiccups, ataxia are likely due to an infarct where?
posterior inferior cerebellar infarct
will a lacunar infarct cause BOTH motor hemiparesis AND hemisensory loss?
no; it is either pure motor hemiparesis OR pure hemisensory loss
is the etiology of migraines thought to be due to vasodilation or vasoconstriction? which nerve is thought to be involved?
vasodilation from trigeminal nerve
acute treatment of migraines?
ASA, ergot/caffeine, triptans
prevention of migraines?
propranolol, verapamil, fluoxetine, amitryptiline
severe unilateral periorbital pain occurring daily for several weeks with horner syndrome?
cluster headache
what is horner syndrome
meiosis, ptosis, anhydrosis
what often precipitates cluster headaches?
alcohol
treatment of cluster headaches?
prophylaxis of cluster headaches?
treatment = 100% O2, IM imitrex
PPX = verapamil
how will a basilar artery migraine present?
visual disturbances with n/v, dysarthria, disequilibrium, confusion
how will an opthalmoplegic migraine present?
RARE – eye pain with N/V, diplopia due to trigeminal nerve palsy
more common in diabetics, but worry about aneurysm
