Ch. 17 CVA Flashcards
1
Q
CVA
A
- stroke - interruption of blood flow to the brain
- inadequate supply of oxygen and nutrients
- can occur in any part of the brain
- contralateral
2
Q
Hallmark Signs of Stroke
A
- numbness
- vision changes
- trouble speaking
- confusion
- problems walking
- headaches
3
Q
Ischemic stroke
A
caused by an obstructer in one of the vessels of the brain (80%)
4
Q
Thrombosis (Ischemic)
A
- blood clot in the artery
- caused by atherosclerosis
5
Q
Subarachnoid (Hemorrhagic)
A
- occurs when blood seeps into the protective membranes surrounding the brain (3%)
- most likely caused by an aneurysm
6
Q
Transient Ischemic Attacks
A
- temporary blockage
- lasts <24 hours
7
Q
Do not use aspirin when there is:
A
- cerebral hemorrhage
- risk of bleeding
8
Q
Embolic (Ischemic)
A
- clot in the artery travels elsewhere (20%)
- requires cardiac surgery
- may be associated with Sz
- history of TIA is rare
9
Q
Where is the most common site of CVAs?
A
middle cerebral artery and its branches in the cerebellum
10
Q
What is the majority of cerebral CVA?
A
L-hemisphere affected => R-side hemiplegia - impaired sensation - blind spots - aphasia - dysarthria - memory deficits
11
Q
R-hemiplegia
A
L-CVA
- speech vocabulary problems
- slow, cautious disorganized
- right visual field deficits
12
Q
L-hemiplegia
A
R-CVA
- spatial perception problems
- impulsive
- left visual field deficits
13
Q
FAST
A
- face drooping
- arm weakness
- speech difficulty
- time to call 911
14
Q
CVA - Sudden Warning Signs
A
- sudden numbness or weakness of face
- trouble with coordination
- sudden trouble seeing in one or both eyes
15
Q
Asteriognosis
A
- inability to recognize an object when the eyes are closed
- affects R-parietal lobe