Overview Cerebrovascular and neuroanatomy

Question 1

What is a stroke?

Answer 1

Neurologic deficit due to abnormal bloodflow to the central nervous system

Transint Ischemic attack with symptoms lasting less than 24 hours

Question 2

What are the different types of strok?

Answer 2

Ichemic ~ 85%

hemorhagic ~ 15%

Question 3

How can you tell the difference between a Ischemic stroke or Hemorragic stroke Via CT?

Answer 3

Infarct = dark

Blood = bright

Question 4

Internal carotid image

Answer 4

Question 5

internal carotid

ACA

MCA

Image

Answer 5

Question 6

Vertebral arteries

Posterior inferior cerebellar arteries(PICA)

Basilar artery

Anterior inferior cerebellar arteries (AICA)

Superior cerebellar arteries

Posterior cerebral arteries

Image

Answer 6

Question 7

Anterior communicating artery (ACOM)

Posterior communicating arteries (PCOM)

Lacunar vessels

Answer 7

Question 8

What will posterior cerebral artery mostly present with?

Answer 8

visual pathway defects

Question 9

What is alexia?

Answer 9

Lesion affecting the left occipital lobe and crossing fibers from the splenium of the corpus collosum. Disconnects Vision from Language. Can write but cannot read

Question 10

Which part of the parietal lobe is which part of the spatial attention?

Answer 10

left prietal lobe - right spatial attention

right parietal lobe- bothe left and right spatial attention

only notice problem if there is stroke in right spateial attention

Question 11

What is gaze preference and how i it affected with a stroke?

Answer 11

• When frontal eye field is activated, the eyes look away from the activation
• When the frontal eye field is impaired, the eyes look toward the lesion

Question 12

What is the core of a ischemic stroke?

what is the penumbra?

Answer 12

Core- infarcted tissue that cannot be saved

Penumbra- Ischemic tissue tat is still alive but is dysfunctional that can be saved

Question 14

What is virchows Triad?

Answer 14