3.3 Flashcards
Is there acute infarction in TIA
nope
therapy for noncardiogenic stroke/tia
clopidogrel
aspirin
therapy for cardiogenic stroke/tia
warfarin or direct oral anticoagulant
meningiomas arise from what cells
arachnoid cap cells
where are meningiomas commonly found
base of skull
perivenous sinuses
what is the second leading cause of death worldwide
stroke
when do embolic strokes typically occur
during day
when do thrombotic strokes typically occur
at night
subdural hemorrhage is due to
bridging veins
who is at risk for subdural hematoma
elderly
alcoholics
are neurologic symptoms gradual or sudden in subdural hematoma
gradual
can the bleed cross the suture line in subdural hematoma
YES
what reflex do we commonly see in epidural hematoma
Cushing reflex
what is Cushing reflex
triad of HTN, bradycardia, irregular breathing
in which hematoma type does the bleed appear to be biconvex
epidural hematoma
in which hematoma subtype do people experience a thunderclap headache
subarachnoid
AVM increases risk of
subarachnoid hematoma
what might you see on LP for subarachnoid hematoma
xanthochromia
what is a mycotic aneurysm due to
bacteria
what is typically a secondary phenomenon from subarachnoid hemorrhage
intraventricular hemorrhage
what brain tumor is most commonly found in kids
astrocytoma
what brain tumor is most commonly found in adults
glioblastoma
what is the most aggressive brain tumor
glioblastoma
what 2 viruses increase risk of glioblastoma
HHV-6
cytomegalovirus
what do we call a glioblastoma that crosses the corpus callosum
butterfly glioma
what virus is positive in 90% of cases of CNS lymphoma
Epstein-Barr virus
myasthenia gravis is an autoimmune disorder in which one develops antibodies to
acetylcholine
in what population of people is myasthenia gravis more common
young women
older men
what type of hypersensitivity reaction is myasthenia gravis
type 2
myasthenia gravis has a strong association with
abnormal thymus gland