Strokes

Question 1

MCA - left side

Answer 1

motor/sensory - contralateral arm & face

right side neglect

Question 2

MCA - right side

Answer 2

motor/sensory - contralateral arm & face

aphasia

Question 3

ACA

Answer 3

motor/ sensory - contralateral leg

Question 4

Anterior spinal artery
syndrome and what it affects?
symptoms?

Answer 4

Medial Medullary syndrome (often bilat) - paramedian ASA and verebral arteries
Lateral corticospinal tract, medial lemniscus, caudal medulla - hypoglossal nerve
Contralateral lower limbs, contralateral propioception, ipsilateral hypoglossal function

Question 5

PICA Stroke
syndrome?
what it affects?

Answer 5

Lateral medullary syndrome
*Nucleus ambiguus are specific to this lesion
lateral spinothalamic tract and spinal trigeminal nucleus, SNS, inferior cerebellar peduncle
vomiting, vertido, nystagmus, decreased pain and temp to the face, dysphagia & horseness, loss of gag reflex, ipsilateral Horner’s, ataxia, dysmetria

“Don’t PICK A hOARSE that can’t eat” !

Question 6

AICA

Answer 6

Lateral pons - many cranial nerve nuclei -
vomiting, vertigo, nystagmus
paralysis of the face, decreased lacrimation, decreased ant 2/3 taste, decreased pain/temp of face, ipsilateral hearing, ipsilateral Horner’s, ataxia, dysmetria

Question 7

Posterior Cerebral Artery

Midbrain/ Benedikt Syndrome

Answer 7

affects occipital cortex, visual cortex
contralateral hemiaopia w/ macular sparing
Eyes down and out

Question 8

Anterior Communicating Stroke

Answer 8

Berry aneurisms, visual field defects

Question 9

Posterior Communicating

Answer 9

CN III, eye is down and out w/ ptosis and pupil dilation (anuerisms)

Question 10

Most common locations for Charcot-Buchard Microaneurism (HTN induced)

Answer 10

B- Basal ganglia
T - Thalamus
C - Cerebellum
P - pons

Question 11

Berry aneurisms

Answer 11

at the bifurcations in the circle of Willis

most common at the anterior communicating artery leading to a SAH