Ischemic CVA Syndromes cont. - Lecture 11

Question 1

internal carotid syndrome can be dt

Answer 1

hypoperfusion

embolus

thrombus

Question 2

what is ICA syndrome preceded by

Answer 2

history of TIAs

Question 3

amaurosis fugax

Answer 3

transient monocular blindness

frequent accompanying symptom

Question 4

amaurosis fugax includes

Answer 4

temp fading of vision or blindness

d/t decrease blood supply from the ICA to the opthalmic artery

Question 5

ICA supplies

Answer 5

MCA and ACA

Question 6

complete blockage of ICA without collateral circulation

Answer 6

deficits in both MCA and ACA

Question 7

what is possible w/ ICA syndrome

Answer 7

uncal herniation

coma

death

significant edema

Question 8

PCA supplies

Answer 8

occipital lobe

medial/inferior temporal lobe

upper brainstem

midbrain

posterior diencephalon

thalamus

Question 9

2 branches of PCA

Answer 9

central

peripheral

Question 10

central

Answer 10

thalamic pain syndrome

hemiballismus

contralateral hemiplegia

Question 11

thalamic pain syndrome

Answer 11

typified by 1 month recovery from hemisensory loss followed by brutal, intractable pain

Question 12

thalamic pain syndrome is infarct of

Answer 12

ventral posterolateral nucleus of thalamus

Question 13

hemiballismus

Answer 13

subthalamic nuclei infarct

Question 14

contralateral hemiplegia

Answer 14

from cerebral peduncle involvement

Question 15

peripheral PCA

Answer 15

transient global amnesia

dyslexia w/o agraphia

visual symptoms

Question 16

transient global amnesia

Answer 16

hippocampal lesion in the temporal lobe

Question 17

dyslexia w/o agraphia

Answer 17

color naming and discrimination problems

Question 18

dyslexia w/o agraphia lesion

Answer 18

dominant calcarine lesion and posterior corpus callosum lesion

Question 19

visual symptoms lesion

Answer 19

occipital lobe

Question 20

visual symptoms

Answer 20

visual agnosia

cortical blindness

contralateral homonymous hemianopsia

prosopagnosia

topographic disorientation

Question 21

vertebral artery

Answer 21

primary supply to medulla and posterior inferior cerebellum

Question 22

vertebral artery is most often occluded by

Answer 22

atherosclerosis

susceptible to trauma
-MVA
-inappropriate extension/rotation

Question 23

vertebral artery syndrome

Answer 23

wallenberg’s (lateral medullary) syndrome

Question 24

wallenberg’s (lateral medullary) syndrome

Answer 24

all ipsilateral besides contralateral loss of pain and temp

horner’s syndrome

Question 25

horner’s syndrome

Answer 25

miosis

ptosis

anhidrosis

Question 26

basilar artery supplies

Answer 26

pons

superior cerebellar peduncles

portions of the midbrain

cerebellum

diencephalon

Question 27

lesion to basilar artery is

Answer 27

life threatening

Question 28

why can a lesion be catastrophic

Answer 28

pontine damage

-coma
-locked in
-akinetic mutism
-tetraplegia

Question 29

basilar artery syndrome has a

Answer 29

poor prognosis

Question 30

cerebellum is supplied bu

Answer 30

3 arteries

Question 31

3 arteries that supply the cerebellum

Answer 31

SCA and AICA (from basilar artery)

PICA (from vertebral artery)

Question 32

cerebellum lesion symptoms

Answer 32

dizziness

nausea/vomiting

ipsilateral ataxia

direction-changing nystagmus

Question 33

nystagmus

Answer 33

rapid, involuntary rhythmic eye movement with the eyes moving quickly in one direction (quick phase) and then slowly in another (Slow phase)

Question 34

how is a nystagmus defined

Answer 34

the direction of the quick phase