Arterial Supply Flashcards
Spinal watershed zone at levels ___
C8-T9
Territory of the middle cerebral artery
Lateral frontal
Parietal
Temporal
MCA supplies ____
sensory and motor areas above hip
MCA strokes will cause ____
paresis of contralateral face and upper limb w/ sensory loss
Known as artery of cerebral hemorrhage
Most lateral lenticulo-striate branch of MCA
Territory of anterior cerebral artery
Medial surfaces of frontal and parietal lobes
ACA supplies ____
sensory and motor areas below hip
ACA stroke will cause ____
paresis of contralateral lower limb and foot w/ sensory loss
Territory of anterior choroidal artery
Internal structures:
Thalamus, amygdala, hippocampus, globus pallidus, optic tract, choroid plexus
Anterior inferior cerebellar artery supplies ___
lower pons and cerebellum
Territory of posterior cerebral artery
Medial surface of occipital lobe
Inferior and lower lateral surfaces of temporal lobe
Posterior cerebral artery (PCA) supplies ____
visual cortex
PCA strokes will cause ____
Prominent visual deficits
Unilateral carotid occlusion will cause blood to pass through ____
Anterior communicating artery
Bilateral carotid occlusion will cause blood to pass through ____
Posterior communicating arteries
Bilateral vertebral occlusion will cause blood to pass through ____
Posterior communicating arteries
MCA/ACA watershed encompasses ____
proximal upper limb muscles
Watershed zones in cerebral cortex (2)
Anterior and middle cerebral arteries
Middle and posterior cerebral arteries
“Man-in-a-Barrel” Syndrome
MCA/ACA watershed zone
Bilateral infarct results in inability to abduct arms and flex elbows
Most cerebral aneurysms occur most commonly in ___
anterior carotid circulation
Cerebral aneurysms can rupture causing severe hemorrhage into ____
subarachnoid space
Posterior inferior cerebellar a. supplies _____
Lateral medulla, choroid plexus of 4th ventricle, inferior surface of cerebellum
Lenticulo-striate arteries are branches of ___ and supply ___
Middle cerebral artery
Caudate nucleus and internal capsule
Commonly involved in cerebral hemorrhages
Superior cerebellar artery supply ___
superior cerebellum
pons
midbrain