CEREBRAL VASCULAR SUPPLY. General Information. Brain receives 20% of the cardiac output. Major arterial supply via: Internal carotids: Give off paired anterior cerebral arteries. Give off paired middle cerebral arteries. Vertebral arteries: Join to form unpaired basilar artery.
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Give off paired anterior cerebral arteries.
Give off paired middle cerebral arteries.
Join to form unpaired basilar artery
Dorsolateral part of medulla
Posterior choroid plexus
Posterior/inferior parts of cerebellum
To upper medulla and pons
To part of inner ear
Medial and inferior surfaces of the temporal and occipital lobes, posterior thalamus.
To internal capsule and adjacent structures.
Contralateral upper motor-neuron paralysis of face and UE/LE as well as sensory disturbances.
Contralateral paresis and diminished sensitivity in LE.
Posterior cerebral arteries
Posterior communicating arteries
Anterior cerebral arteries
Anterior communicating artery
Paralysis/sensory loss bilateral UE