Neuro Lecture 3 Flashcards
(176 cards)
what will an EEG tell you?
What type of epilepsy you have
List the 3 main types of intracranial aneurysms
saccular aneurysm
fusiform aneurysm
Microaneurysms (Charcot-Bouchard)
what type of aneurysms is almost always a result of an inherited weakness?
Saccular aneurysm
What are some conditions that cause saccular aneurysms?
Polycystic kidney disease Marfan syndrome Neurofibromatosis type I Tuberous sclerosis complex Connective tissue diseases
What’s an important questions to ask if someone has a saccular aneurysms?
Has anyone else in your family had an aneurysm?
What are some risks for a saccular aneurysm?
Cocaine/ amphetamine use heavy ETOH use tobacco use HTN obesity
Are saccular aneurysms more common in males or females?
females
are saccular aneurysms common in children?
No, they are rare
Where do saccular aneurysms usually occur?
Circle of Willis
Is it common for patients with saccular aneurysms to have more than one?
Yes, 1/4 will have more than one
What are some signs of “warning leaks” of a saccular aneurysm?
Headaches
dizziness
eye pain and visual deficits
When blood hits the gray matter of the brain what can happen?
Seizures
what type hemorrhage usually happens with the rupture of saccular aneurysms?
Subarachnoid hemorrhage
What occurs when a saccular aneurysm ruptures?
Thunderclap headache
mental status, visual changes
N/V/ stiff neck, photophobia
If the rupture of a saccular aneurysm fatal?
Yes, 60% of people die
What are fusiform aneurysms usually associated with?
HTN and atherosclerosis
Where is the most common location of a fusiform aneurysm?
Basilar artery
second- internal carotid artery
Which rupture more often, fusiform or saccular aneurysms?
Saccular
what can happen with fusiform aneurysms usually by trauma?
Dissection
What is aneurysms of small blood vessels. Usually occur in basal ganglia and grey/white matter junction of the brain
Micro aneurysms
What parts of the eye are parts of the CNS?
Retina, optic nerves
who get microaneursyms?
chronic HTN
coccaine
diabetics
When intracranial aneurysms rupture, what happens?
Focal intraparnechymal hemorrhage
get a focal neurologic deficit
how are most aneurysms found?
Incidentally usually