Look carefully for these abnormal rapid jerking movements affecting the face,tongue ,and distal parts of arms and legs ,rarely the movements may be limited to only one side of the body and then the condition is called hemichorea
(Q) What are the causes of chorea ?
(A) (1) Heredofamiliar : Huntington's chorea
(2) Autoimmune : rheumatic chorea
(3) Infective : post encephalitic
(4) Vascular : hemiballismus
(5) chorea gravidarum
(6) Idiopathic : Senile chorea