Vascular

Question 1

ABCD2 score?

Answer 1

A- age >60 (1)
B- blood pressure >140/90 (1)
C-clinical sx- speech impairment without weakness (1), focal weakness (2)
D-duration- 10 - 59 mins (1), >60 mins (2)
D-diabetes (1)

Question 2

Locked in syndrome

Answer 2

-infarct affecting base of pons bilaterally
-can’t move eyes horizontally, speak, quadriplegic

Question 3

Are seizures more common in arterial or venous infarcts?

Answer 3

Venous

Question 4

Wallenberg syndrome symptoms?

Answer 4

-vestibular nuclei: vertigo, nystagmus, nausea/vomiting
-descending tract and CN V: ipsilateral impaired sensation to face
-spinothalamic tract: loss of sensation to pain/temp in contralateral hemibody
sympathetic tract: horner’s
-fiber of 9th and 10th CN: hoarsness, dysphagia, ipsilateral paralysis of palate, vocal cord, decreased gag
-cerebellum: ipsilateral ataxia
-nucelus of tractus solitarius: loss of taste

Question 5

Difference between AICA and PICA infarcts?

Answer 5

ipsilateral deafness with AICA (due to labyrinthine artery)

Question 6

What vascular supply causes a bilateral thalamic infarct?

Answer 6

stroke from occlusion of artery of Percheron

Question 7

Broca’s aphasia - arterial supply

Answer 7

superior division of MCA- inferior frontal gyrus

Question 8

Wernicke’s aphasia - arterial supply

Answer 8

inferior division MCA

Question 9

recurrent artery of heubner is a branch of what?

Answer 9

ACA

Question 10

What artery supplies anterior thalamus? (ventral anterior nucleus)

Answer 10

tuberothalamic a. aka polar a

Question 11

What artery supplies medial aspect of thalamus? (dorsal medial nucleus)

Answer 11

thalamoperforating or paramedian a.

Question 12

What artery supplies lateral aspect of thalamus? (ventral lateral group of nuclie)

Answer 12

thalamogeniculate a