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16 Cards in this Set
- Front
- Back
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Wallenberg's Syndrome
- aka? - damage of what artery? |
- Lateral Medullary Syndrome
- PICA |
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What artery is damaged in:
- Medial Medullary Syndrome - Lateral Medullary Syndrome |
- Anterior Spinal Artery
- PICA (wallenberg's syndrome) |
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What artery is occluded?
Contralateral - Hemiparesis - Propioception loss Ipsilateral - Paralysis of Hypoglossal nerve |
Anterior Spinal Artery
(medial medullary syndrome) |
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What artery is occluded?
Contralateral - Pain & Temp. loss Ipsilateral - Pain & Temp. loss of FACE - Horner's |
PICA
(wallenberg's syndrome) |
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What artery is occluded?
Ipsilateral - Paralysis of the FACE - Pain & Temp. loss of FACE |
AICA
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What artery is occluded?
- Contralateral Hemianopia with Macular sparing |
PCA
(Posterior Cerebral Artery - supplies occipital cortex) |
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What artery is occluded?
Contralateral - Paralysis of the FACE & ARM - Sensory loss of the FACE & ARM Left-sided Neglect Aphasia (if dominant hemisphere) |
MCA
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What artery is occluded?
- Problems with the LEG & FOOT areas |
ACA
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Most common site of Circle of Willis Aneurysms, with lesions causing Visual Field Defects?
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Anterior Communicating Artery
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What artery is occluded?
CN III Palsy |
Posterior Communicating Artery
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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 |
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Watershed Zones
- located where? - damaged under what conditions? |
- Between ACA & MCA
- Between MCA & PCA - Severe Hypotension |
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What artery is occluded?
PROXIMAL weakness of : - UPPER LEG - UPPER ARM Defects in Higher-Order Visual Processing |
Watershed Regions
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LOCKED-IN SYNDROME
- occlusion of what artery? - what is usually spared? |
- Basillary artery
- CN III |
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In General, a stroke of Anterior Circle of Willis causes what Sx? x3
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- General Sensory dysfunction
- General Motor dysfunction - Aphasia |
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In General, a stroke of Posterior Circle of Willis causes what Sx?
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- CN deficits (vertigo & visual defects)
- Ataxia (cerebellar defects) If Dominant Hemisphere --> Ataxia If Non-Dominant Hemisphere --> Neglect |
