Common conditions predisposing to stroke
| Condition | Main pathologies |
|---|---|
| Ischaemic stroke | |
| Congenital/acquired heart disease | Embolus, cerebrovascular disease (for example, dissection) |
| Sickle cell disease | Large vessel stenosis and occlusion |
| Trauma | Large vessel dissection |
| Dehydration | Venous sinus thrombosis |
| Meningitis | Basal vessel inflammation/spasm, stenosis, occlusion |
| Varicella | Large vessel stenosis |
| Acquired immunodeficiency syndrome | Large vessel stenosis |
| Haemolytic uraemic syndrome | Large vessel vasculitis |
| Homocystinuria | Large vessel stenosis and occlusion |
| Williams’s syndrome | Moyamoya |
| Down’s syndrome | Moyamoya |
| Haemorrhagic stroke | |
| Idiopathic thrombocytopenic purpura | Platelet count < 10–15 × 109/l |
| Haemophilia and other coagulopathies | Prolonged coagulation |