Table 6

Metabolic aetiologies of dystonia and chorea

Hyperthyroidism
Hypocalcaemia (hypoparathyroidism)
Hypoglycaemia
Hyperglycaemia
Hypernatraemia
Hyponatraemia
Hypomagnesaemia
Osmotic demyelination syndrome (central pontine myelinolysis)
Splenorenal shunt