Thank you for your query.
Your questions are very well put.
These are all symptoms of rheumatic fever
These quasipurposive movements are known as chorea
The basal ganglia
The underlying process is an autoimmune activity against different body tissues.
She will improve but will require life time penicillin injections.
Hope this answers your query.If you have any other queries kindly direct them to me.Wishing your child a speedy recovery.Have a nice day.