Function Neurologic Disorder Flashcards
Functional Movement disorder
abnormal involuntary movement that are incongruent with a known structural neurological cause
How common is a referral to neurology for functional movement disorders
2nd most common referral
What percentage of FND patients stop working
50%
Is FND more common in women or men
women
individuals with FND have to have an adverse life event
false
What is FND pathophysiology?
lack of habituation to stimuli
automatic defensive behavior
overactive “fight or flight” response
increased activation of amygdala on fMRI
altered autonomic function
Lack of connection with bodily symptoms
Common features of FND
sudden onset- can usually tell you the exact day and time the symptoms started
Rapid progression to very severe symptoms
variability in severity- very specific circumstances when the symptoms are better or worse
changes in phenomenology
How has the new DSM-5 diagnostic criteria
clinical finding provide evidence for incompatibility between the symptoms and recognized neurological or medical conditions
FND by DSM-5 criteria
- one or more symptoms of altered voluntary motor or sensory function
- physical findings provide evidence of incompatibility between the symptoms and recognized neurological or medical conditions
- the symptom or deficit is not better explained by another medical or mental disorder
- the symptom or deficit causes clinically significant distress or impairment in social, occupational or other important areas of functioning or warrants medical evaluation
FMD is a diagnosed positively, NOT a diagnosis of ______
exclusion
mismatch between impairments seen on ________ and _______ disability
examination and subjective disability
During the exam the patient has
variability and distractibility
La Belle indifference
lack of concern about symptoms even if they are severe and debilitating
Functional tremor occurs in ____% of patients with FMD
50%
describe a functional tremor
variability in amplitude, frequency or direction of tremor
improves with distraction