|
Stroke type | Causes | Percentage |
|
Large artery thrombotic strokes | Atherosclerotic plaques in the large blood vessels of the brain lead to ischemia and infarction | 20% |
|
Small penetrating artery thrombotic stroke (Lacunar stroke) | One or more vessels in the brain are affected (microatheromatosis) | 25% |
|
Cardiogenic embolic stroke | Associated with cardiac dysrhythmias, valvular heart disease, and thrombi in the left ventricles | 15% |
|
Cryptogenic strokes | Cause is unknown | 5-10% |
|
Strokes associated with other causes | Such as illicit drug use | 20-25% |
|