TOAST classification

NEUROLOGY

Definition A system for categorising subtypes of ischaemic stroke mainly based on aetiology, which was developed for the Trial of Org 10172 in Acute Stroke Treatment (TOAST) study. 

TOAST classification–subtypes of ischaemic stroke

• Large artery atherosclerosis

• Cardioembolism

• Small vessel occlusion

• Stoke of other determined aetiology

• Stroke of undetermined aetiology 

References http://stroke.ahajournals.org/content/24/1/35.full.pdf

Stroke 1993;24:35-41