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Blood Supply Lesions
Blood Supply Lesions
16
Medical
Professional
04/08/2012

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Cards

Term
Anterior Spinal artery
Definition
CL hemiparesis (LE), medial leminiscus (dec CL proprioception), IL paralysis of the hypoglossal nerve
Term
Anterior Spinal artery
Definition
medial medullary syndrome
Term
PICA
Definition
CL loss of pain and temp, IL dysphagia, hoarseness, dec gag reflex, vertigo, diplopia, nystagmus, vomiting, IL Horner's, IL facial pain and temp, trigeminal nuc (spinal tract and nuc), IL ataxia
Term
PICA
Definition
lateral medullary syndrome aka Wallenberg's
Term
AICA
Definition
Lateral inferior pontine syndrome
Term
AICA
Definition
IL facial paralysis, IL cochlear nuc, vestibular (nystagmus), IL facial pain and temp, IL dystaxia (MCP, ICP)
Term
Posterior cerebral artery
Definition
CL hemianopsia with macula sparing ; supplies occipital cortex
Term
Middle cerebral artery
Definition
CL face and arm paralysis and sensory loss, aphasia (dominant sphere), left sided neglect
Term
anterior cerebral artery
Definition
supplies medial surface of the brain, leg-foot area of motor and sensory cortices
Term
ACOM or anterior communicating artery
Definition
most comon site of circle of Willis aneurysm; lesions may cause visual field deficits
Term
PCOM or posterior communicating artery
Definition
common area of aneurysms; causes CN III palsy
Term
lateral striate
Definition
Divisions of middle cerebral artery; supply internal capsule, caudate, putamen, globus pallidus/ "arteris of stroke" ; infrct of the posterior limb of the internal capsule causes pure motor hemiparesis
Term
Watershed zones
Definition
be anterior cerebral and middle cerebral, posterior cerebral and middle cerebral arteries, damage in severe hypotention --> upper leg/arm weakness, deficits in higher order visual processing
Term
Basilar artery
Definition
infarct causes locked in syndrome (CN III is typically intact)
Term
In general, stroke of the anterior circle
Definition
general sensory and motor dysfunction, aphasia
Term
In general, stroke of the posterior circle
Definition
cranial nerve deficits (vertigo, visual deficits), coma, cerebellar deficites (ataxia). Dominant hemisphere (ataxia), non dominant (neglect)
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