Flashcards in Vasculature Deck (24):
The posterior circulation supplies blood flow to what general areas?
Spinal cord, cerebellum, medulla, pons, posterior cerebral cortex, thalamus, crus cerebri.
The anterior circulation supplies blood flow to what general areas?
Eyes, cerebral cortex, insula, hippocampus, basal ganglia, internal capsule.
Distribution of anterior spinal artery?
Ventral 2/3 of spinal cord, medial medulla.
Paralysis, loss of protopathic sense, and ipsilateral tongue paralysis are indicative of what artery lesion?
Anterior spinal artery.
Distribution of PICA?
Dorsolateral medulla & pons, medial cerebellum, cerebellar cortex.
Vertigo, balance problems, cerebellar signs, loss of protopathic facial sense, and hoarseness are indicative of what artery lesion?
Distribution of AICA?
Inferior cerebellar cortex, dorsolateral pons.
Cerebellar signs, facial paralysis, ipsilateral hearing loss, and loss of protopathic facial sense are indicative of what artery lesion?
Distribution of the basilar artery?
Pons, crus cerebri.
Facial paralysis, loss of sensory to face and body, and opthalmoplegia are indicative of what artery lesion?
Distribution of the superior cerebellar artery?
Superior cerebellum, dorsolateral corner of rostral pons
Cerebellar signs, loss of contralateral protopathic sensation, and Horner's syndrome are indicative of what artery lesion?
Superior cerebellar artery.
Distribution of the posterior cerebral artery?
Occipital lobe, parts of pareital and temporal lobe, midbrain, crus cerebri, posterior thalamus.
Cortical blindness, alexia, memory loss, and somatosensory loss, coma & death are associated with what artery lesion?
Posterior cerebral artery, (potentially top of basilar artery).
Distribution of posterior communicating arteries?
Anterior midbrain, crus cerebri, thalamus.
Contralateral paresis, coma, and death are associated with which artery lesion?
Posterior communicating arteries.
Distribution of the middle cerebral artery?
Lateral cortex, insula.
Contralateral paralysis, contralateral sensory loss, aphasia, partial blindness, and apraxia are indicative of what artery lesion?
Middle cerebral artery.
Distribution of the anterior cerebral artery?
Medial frontal and pareital lobes.
Contralateral sensory and motor loss in leg and foot is indicative of what artery lesion?
Anterior cerebral artery.
Distribution of lenticulostriate arteries?
Basal ganglia, internal capsule, amygdala, anterior thalamus.
Motor and sensory loss equally from head to toe, involuntary movements, and homonymous visual defects are indicative of what artery lesion?
Distribution of anterior choroidal artery?
Hippocampus, posterior internal capsule.