16
Emergency Evaluation and Treatment
Figure 2. ASPECTS: Alberta Stroke Program Early CT Score
CT indicates computed tomography; and MCA, middle cerebral artery.
Caudate
Putamen
Internal capsule
Insular cortex
Anterior MCA cortex
(frontal operculum)
Lateral MCA cortex
(lateral to insular ribbon -
anterior temporal lobe)
Posterior MCA cortex
(posterior temporal lobe)
Thalami (1 point each)
Occipital lobes (1 point each)
Basal ganglia level
Thalami level
Anterior
MCA
territories
Posterior
circulation
territories
