Neuromuscular: Blood Supply to the Brain Flashcards Preview

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Flashcards in Neuromuscular: Blood Supply to the Brain Deck (14):
1

Artery that supplies the anterior frontal lobe, medial surface of frontal and parietal lobes

Anterior Cerebral artery (ACA)

2

ACA impairments

Contralateral lower extremity motor and sensory involvement
Loss of bowel and bladder control
Loss of behavioral inhibition
Significant mental changes
Neglect
Aphasia
Apraxia and agraphia
Perseveration
Akinetic mutism and significant bilateral involvement

3

Artery that supplies the outer cerebrum, basal ganglia, posterior and anterior internal capsule, putamen, pallidum, and lentiform nucleus

Middle cerebral artery (MCA)

4

MCA impairments

Most common site of a CVA
Wernicke's aphasia in dominant hemisphere
Homonymous hemianopsia
Apraxias
Flat affect with R hemisphere damage
Contralateral weakness and sensory loss of face and upper extremity with lesser involvement in the lower extremity
Impaired spatial relations
Anosognosia in non-dominant hemisphere
Impaired body schema

5

Artery that supplies portion of midbrain, sub thalamic nucleus, basal nucleus, thalamus, inferior temporal lobe, occipital and occipitoparietal cortices

Posterior Cerebral artery (PCA)

6

PCA impairments

Contralateral pain and temperature sensory loss
Contralateral hemiplegia (central area), mild hemiparesis
Ataxia, athetosis or choreiform movement
Quality of movement is impaired
Thalamic pain syndrome
Anomia
Prosopagnosia with occipital infarct
Hemiballismus
Visual agnosia
Homonymous hemianopsia
Memory impairment
Alexis, dyslexia
Cortical blindness from bilateral involvement

7

Artery that supplies lateral aspects of pons and midbrain together with superior surface of cerebellum

Vertebral-basilar artery

8

Arteries that supply the cerebellum

branches from the basilar artery (PICA, AICA, and superior cerebellar arteries)

9

Arteries that supply the medulla

PICA and smaller branches from the cerebral arteries

10

Arteries that supply the Pons

branches from the basilar artery

11

Arteries that supply the Midbrain and Thalamus

Posterior cerebral arteries

12

Arteries that supply the occipital cortex

Posterior cerebral artery, basilar artery

13

Vertebral-basilar artery impairments

Loss of consciousness
Hemiplegia/tetraplegia
Comatose or vegetative state
Inability to speak
Locked-in syndrome
Vertigo
Nystagmus
Dysphagia
Dysarthria
Syncope
Ataxia

14

Wallenberg syndrome

Secondary to lateral medullary infarct
Presents with ipsilateral facial pain, ipsilateral ataxia, vertigo, contralateral pain, and thermal impairment