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16 Cards in this Set

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Wallenberg's Syndrome

- aka?
- damage of what artery?
- Lateral Medullary Syndrome

- PICA
What artery is damaged in:

- Medial Medullary Syndrome
- Lateral Medullary Syndrome
- Anterior Spinal Artery

- PICA
(wallenberg's syndrome)
What artery is occluded?

Contralateral
- Hemiparesis
- Propioception loss

Ipsilateral
- Paralysis of Hypoglossal nerve
Anterior Spinal Artery

(medial medullary syndrome)
What artery is occluded?

Contralateral
- Pain & Temp. loss

Ipsilateral
- Pain & Temp. loss of FACE
- Horner's
PICA

(wallenberg's syndrome)
What artery is occluded?

Ipsilateral
- Paralysis of the FACE
- Pain & Temp. loss of FACE
AICA
What artery is occluded?

- Contralateral Hemianopia with Macular sparing
PCA

(Posterior Cerebral Artery - supplies occipital cortex)
What artery is occluded?

Contralateral
- Paralysis of the FACE & ARM
- Sensory loss of the FACE & ARM

Left-sided Neglect
Aphasia (if dominant hemisphere)
MCA
What artery is occluded?

- Problems with the LEG & FOOT areas
ACA
Most common site of Circle of Willis Aneurysms, with lesions causing Visual Field Defects?
Anterior Communicating Artery
What artery is occluded?

CN III Palsy
Posterior Communicating Artery
Posterior Limb of the Internal Capsule

- supplied by what artery?
- artery is a branch of?
- infarct of PLIC causes what Sx?
- Lateral Striate

- MCA

- Pure Motor Hemiparesis
Watershed Zones

- located where?
- damaged under what conditions?
- Between ACA & MCA
- Between MCA & PCA

- Severe Hypotension
What artery is occluded?

PROXIMAL weakness of :
- UPPER LEG
- UPPER ARM

Defects in Higher-Order Visual Processing
Watershed Regions
LOCKED-IN SYNDROME

- occlusion of what artery?
- what is usually spared?
- Basillary artery

- CN III
In General, a stroke of Anterior Circle of Willis causes what Sx? x3
- General Sensory dysfunction

- General Motor dysfunction

- Aphasia
In General, a stroke of Posterior Circle of Willis causes what Sx?
- CN deficits (vertigo & visual defects)

- Ataxia (cerebellar defects)

If Dominant Hemisphere --> Ataxia

If Non-Dominant Hemisphere --> Neglect