Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Sydenham Chorea ?
    ### Response:
    Sydenham chorea (SD) is a neurological disorder of childhood resulting from infection via Group A beta-hemolytic streptococcus (GABHS), the bacterium that causes rheumatic fever. SD is characterized by rapid, irregular, and aimless involuntary movements of the arms and legs, trunk, and facial muscles.
    