Types of chorea
What are chorea movements?
Definition. Chorea is an abnormal involuntary movement disorder, one of a group of neurological disorders called dyskinesias, which are caused by overactivity of the neurotransmitter dopamine in the areas of the brain that control movement.
What is chorea give example?
Chorea is a movement disorder that causes involuntary, irregular, unpredictable muscle movements. The disorder can make you look like you’re dancing (the word chorea comes from the Greek word for “dance”) or look restless or fidgety. Chorea is a movement problem that occurs in many different diseases and conditions.
What is another name for chorea?
Chorea (or choreia, occasionally) is an abnormal involuntary movement disorder, one of a group of neurological disorders called dyskinesias.
What is the difference between chorea and Huntington’s disease?
Chorea is a primary symptom of Huntington’s disease. Although it is often associated with the disease, it has other possible causes, including pregnancy, certain medications, and other underlying conditions, such as hyperthyroidism. Huntington’s disease is a progressive disease that develops slowly.
What triggers chorea?
Chorea can be caused by a variety of abnormal processes in the body, including metabolic derangements, exposure to certain drugs or toxins, genetic and degenerative diseases of the brain, infections, tumors, and disorders of the immune and inflammatory systems of the body.
What is the best treatment for chorea?
Atypical neuroleptics include risperidone, olanzapine, clozapine, and quetiapine. Dopamine-depleting agents (eg, reserpine, tetrabenazine, deutetrabenazine), represent another option in the treatment of chorea. GABAergic drugs, such as clonazepam, gabapentin, and valproate, can be used as adjunctive therapy.
What is Ballism?
Ballism is a severe form of chorea characterized by involuntary, violent flinging movements of the limbs. When unilateral, it is calledhemiballism. Most cases are caused by damage to the contralateral STN or its outflow tracts as a result of vascular disease or trauma (infarct or hemorrhage).
What is chorea in rheumatic fever?
Definition. Sydenham chorea (SC) is a neurological disorder of childhood resulting from infection via Group A beta-hemolytic streptococcus (GABHS), the bacterium that causes rheumatic fever. SC is characterized by rapid, irregular, and aimless involuntary movements of the arms and legs, trunk, and facial muscles.
What is chorea athetosis?
Chorea is an ongoing random-appearing sequence of one or more discrete involuntary movements or movement fragments. Athetosis is a slow, continuous, involuntary writhing movement that prevents maintenance of a stable posture.
What does chorea feel like?
Movement disorders
Involuntary jerking or writhing movements (chorea) Muscle problems, such as rigidity or muscle contracture (dystonia) Slow or unusual eye movements. Impaired gait, posture and balance.
Why is it called Sydenham chorea?
Etymology. It is named after British physician Thomas Sydenham (1624–1689). The alternate eponym, “Saint Vitus Dance”, is in reference to Saint Vitus, a Christian saint who was persecuted by Roman emperors and died as a martyr in AD 303.
Can you have chorea without Huntington’s?
The non-HD choreas: Five new things
The phenotype can include paroxysmal chorea, dystonia, myoclonus, and hypotonia. Hexanucleotide repeat expansions of C9ORF72 cause an autosomal dominant disease with a variable presentation that can include chorea, in addition to ALS and FTD.
What does mild chorea look like?
In milder cases, chorea may appear purposeful. The patient often appears fidgety and clumsy. Overall, chorea can affect various body parts, and interfere with speech, swallowing, posture and gait, and disappears in sleep.
What is the difference between Sydenham chorea and pandas?
The age of onset is prepubertal in both conditions. Sydenham’s chorea usually occurs between the ages of 5 and 15 years whilst neuropsychiatric symptoms in PANDA patients is most often found from 3 years of age till the beginning of puberty.
What does Sydenham’s chorea look like?
Sydenham chorea mainly involves jerky, uncontrollable and purposeless movements of the hands, arms, shoulder, face, legs, and trunk. These movements look like twitches, and disappear during sleep. Other symptoms may include: Changes in handwriting.
What was Huntington’s disease originally called?
[4] Even though previous workers had reported this condition, it was the lucidity and clarity of expression, which marked Huntington’s description and that earned him the eponym “Huntington’s disease” (HD), previously known as “Huntington’s chorea.”
How are pans and PANDAS diagnosed?
To diagnose PANDAS or PANS, doctors will take time talking to you and asking questions about your child’s symptoms. They will do an exam and test for infections. Treatment starts with medicine to take care of the infection. Treatment also includes cognitive behavioral therapy for OCD.
Can adults get Sydenham chorea?
It usually develops in children between the ages of 5-15. Rarely, the disorder has been reported in children under age 5 years or in adults. Sydenham chorea affects individuals of all races and ethnicities. Sydenham chorea may occur as a complication of rheumatic fever.