Delusional Disorders Flashcards
What is a delusion?
A fixed, firmly held false belief that is held with unshakeable conviction despite overwhelming evidence to the contrary and cannot be explained by the subjects cultural/religious background
What is the aetiology of delusional disorders?
- genetics
- biological
- environmental/ psychosocial: stress, alcohol, drug abuse
How long should the delusions last for, for a delusional disorder to be diagnosed?
A month or longer
What is a persecutory delusional disorder?
- individuals believe that they are being persecuted
- they believe that they are in harm or that harm is going to occur
What is othello syndrome in delusional disorders?
- the delusional believe that partner is having an affair/ having sex with others
- no evidence, misinterprets minor evidence
- associated with alcohol dependence and sexual dysfunction
- risk of stalking and or violence to partner
What is De Clerambaults syndrome in delusional disorders?
- delusional belief that another person who is usually famous/ higher social status is in live with them
- can’t declare love so occurs via secret signs/ communication
(Erotomania)
What is capgras syndrome in delusional disorders?
- delusional misidentification
- relative/ spouse/ close relation/ friend replaced by identical looking double or impostor
- M:F 2:3
What is ekboms syndrome in delusional disorders?
- delusional parasitises
- infested with parasites
- no evidence (only little freckles/spots)
- associated with formificariob
- risk of self harm trying to get rid of parasites
- presents to derm
- house or home infestation- delusional
Cleptoparasitosis
What is folie a deux in delusional disorders?
- an induced delusional disorder
- psychosis shared by 2 people
What is Fregoli syndrome in delusional disorders?
- different people are a single person who changes appearance or is in disguise
- often believe they are being persecuted by that person
What is cotards syndrome in delusional disorders?
- dellusion of being dead, dying, non-existent, rotting, lost parts of the body/organs
- associated with depression
How do you want to Investigate a patient who is presenting with a delusional disorder
– Exclude other causes Cognitive screening Urine test/drug test Bloods CT/MRI scan
Why might it be difficult to treat a person who is presenting with a delusional disorder?
They may be in denial that they have a psychiatric problem, therefore they may have difficulties in excepting medical treatment.
How could you treat a delusional disorder
With antipsychotics, and sometimes in combination with antidepressants
Can also give CBT or ECT and supportive psychotherapy
How could you assess the intensity of a patient solutions (examples of questions)
– From what you’ve said I feel that you feel… Is there any other explanation for this at all?
– Is there any chance that this is not happening?
-How certain are you that this is really happening/it’s not a coincidence?