Etiology | Causes |
Infection | Toxoplasmosis |
| Rheumatic fever |
| Malaria |
| Myocarditis |
| Helminthic parasites |
Allergy | Eosinophilia |
| Auto-immunity |
Malnutrition | Protein deficiency |
| Magnesium deficiency |
Toxic Agents | Cerium |
| Cassava |
| Thorium |
| Serotonin |
| Plant toxin |
| Vitamin D |