Subtype | Classification |
---|---|
1 | Large-artery atherosclerosis (embolus/thrombosis) |
2 | Small-vessel occlusion (lacune) |
3 | Cardioembolism (high-risk/medium-risk) |
4 | Stroke of other determined etiology |
5 | Stroke of undetermined etiology |
 |    (a) Two or more causes identified |
 |    (b) Negative evaluation |
 |    (c) Incomplete evaluation |