Neuro Flashcards
arterial bleed s/s and how fast does it appears?
quick, headache
subdural is venous or arterial?
venous
layers of skull starting with outside layer in
dura, arachnoid membrane, pia, subarachnoid space,
primary headache examples
migraine, tension-type, cluster
secondary headache examples
head trauma, medication overuse, infection, bleeding
brain parenchyma, ependymal lining of ventricles and choroid plexuses are brain structures that are sensitive or insensitive to pain?
insensitive
trigeminal neuralgia
quick, severe facial pain
what actions can stimulate trigeminal neuralgia
washing face, chewing, eating foods or fluids that are extreme temperatures
Temporal Arteritis s/s
jaw claudication, fever, weight loss, visual disturbances
Diagnostic test used for temporal arteritis***
increased ESR!!, need to biopsy artery
migraine without aura diagnostic criteria
at least 5 attacks, last 4-72 hrs, at least n/v or photophbia
migraine with aura diagnostic criteria
at least 2 attacks, visual symptoms in one or both eyes, has 1 aura symptom over >5 mins
Tension-Type Headache (TTH) s/s
no n/v and with at least 2 symptoms of : not aggravated by routine activity, mild or moderate intensity, bilateral
how long do tension-type headaches last?
30 minutes to 7 days
how long do migraine with aura last?
4-72 hrs
how long do cluster headaches last?
30-90 mins
location of migraines?
unilateral
location of tension headaches?
bilateral
location of cluster headaches?
strictly unilateral
how frequent are migraines?
2-5/month
how frequent are tension headaches?
<15/month
how frequent are cluster headaches?
1-6/day
when do migraines, tension and cluster headaches occur?
anytime except for cluster headaches. They occur at same time a day
do you have auras with tension and cluster headaches?
no
what does pain feel like for migraines
achy-throbbing
what does pain feel like for tension headaches
pressing-band like mild-moderate
what does pain feel like for cluster headaches?
boring-sharp excruciating
cluster headache s/s
ipsilateral, eye lid edema, forehead and facial swelling
precipitating factors for migraines?
bright lights, sleep loss, hypoglycemia, alcohol
precipitating factors for tension headaches?
stress
precipitating factors for cluster headaches?
alcohol, nitro
stroke
vascular disorder that injures brain tissue
hypoxia examples that can cause ischemic injury to brain
CO2 poisoning, decreased atmospheric pressure, severe anemia
1 modifiable risk factor for stroke
HTN
focal ischemia and an example
stroke, when blood flow is inadequate to meet the metabolic demands of a part of the brain
global ischemia and an example
cardiac arrest, when blood flow is inadequate to meet the metabolic demands of the entire brain
focal vs global ischemia
blood flow affecting part of the brain vs entire brain
aphasia
impaired ability to speak
hemineglect
processing disorder, food tray example
1 risk factor for hemorrhagic stroke?
HTN!!!!
infarction of anterior cerebral artery affects which lobe?
1 lobe of frontal lobe affected
s/s of anterior cerebral artery infarction
paralysis of foot or leg, impaired gait, urinary incontinence
middle cerebral artery infarction affects which lobes?
lateral hemisphere, frontal, parietal and temporal lobes
hemiattention
denial of paralyzed side of limb
alexia
word blindness
finger agnosia
inability to identify fingers