Dystonia Flashcards
1
Q
Def
A
movement disorder characterized by sustained or intermittent muscle contractions causing involuntary movements, fixed postures, or both
Isiopathic / hereditary
2
Q
Types
A
focal, multifocal, segmental, and generalized dystonia.
3
Q
Causes
A
Dopamine antagonists (haloperidol,metoklopramid)
Neurologic disorders: Huntington disease
Metabolic: Wilson disease
Hypoxic or structural cerebral injury
Cerebral neoplasm
Infections: encephalitis, HIV
Psychogenic: conversion disorder
4
Q
Tx
A
botulinum toxin injections are typically reserved for focal dystonia
Levodopa/carbidopa:
Anticholinergics (benztropine, trihexyphenidyl) or antihistamines (diphenhydramine)
