Block D Blood Supply Flashcards
Supplies medial hemispheres; motor strip for LE; cingulate gyrus; corpus callosum; orbitofrontal cortex
ACA
Source of medial striate arteries
ACA
Supplies head of caudate and anterior limb of internal capsule
Medial striate arteries
Supplies lateral parietal, temporal, and frontal lobes
MCA
Source of lenticulostriate arteries
MCA
Supplies putamen, globus pallidus, and most of internal capsule
Lenticulostriate arteries
Supplies occipital, ventral temporal, hippocampus, thalamus
PCA
Source of penetrating arteries
PCA
Supplies midbrain
Penetrating arteries
Supplies optic tract/chiasm, choroid plexus, genu and posterior limb of internal capsule, globus pallidus, LGN, amygdala, substantia nigra, red nucleus, cerebral peduncle
Anterior choroidal artery
Supplies dorsolateral medulla
PICA
Supplies ventral cerebellum, including peduncles, along with the caudal lateral pons
AICA
Supplies most of the pons
Basilar artery
Supplies dorsal cerebellum and dorsolateral rostral pons
SCA
Infarct results in right leg weakness, grasp reflex, personality shifts
Left ACA
Infarct results in left leg weakness, grasp reflex, personality shifts, possible left hemineglect
Right ACA
Infarct results in right face and arm paresis, Broca’s aphasia, right-way eyes
Left superior MCA
Infarct results in Wernicke’s aphasia, right superior hemianopsia (loss of Meyer’s loop)
Left inferior MCA
Infarct results in right motor hemiparesis
Left deep MCA
Infarct results in everything, and global aphasia
Left stem MCA
Infarct results in left face and arm hemiparesis, and left hemineglect
Right superior MCA
Infarct results in left hemineglect, left superior hemianopsia
Right inferior MCA
Infarct results in left motor paresis and possible hemineglect
Right deep MCA
Infarct results in right homonymous hemianopsia
Left PCA
Infarct results in left homonymous hemianopsia
Right PCA
Involves midbrain basis; CN III palsy and weakness of contralateral face
Weber’s syndrome
Involves midbrain tegmentum; interpeduncular fossa (CN III palsy) and red nucleus (contralateral ataxia)
Claude’s syndrome
Involves midbrain tegmentum and basis; CN III palsy, hemiparesis, facial weakness, contralateral ataxia
Benedikt’s syndrome
