Medically unexplained things Flashcards
What are the 3 main features of Munchausen’s?
Simulated illness (mental or physical), pathological lying, wandering from place-place. Symptoms can be simulated, pre-existing disease can be aggravated or disease may be induced.
What is Munchausen’s by proxy?
Parent or carer producing fictitious illness in a person in their care.
What is munchausens also known as?
factitious disorder
Give 3 things that may precipitate or cause Munchausen’s.
- Childhood abuse
- low self-image
- desire for self-punishment. A personality disorder, depression or substance abuse may be a feature.
In general, what will the patient’s history be like for munchausens?
Long with unexplained symptoms, with many doctor changes. Will be vague about their life, inconsistencies in their history and a lack of expected physical signs
Give 3 specific things people w munchausens can present with.
Curious seizures, dyspnoea, chest pain, etc etc etc
Give 2 differentials for munchausens
Somatisation, Hypochondriasis (anxiety is the main feature, no physical signs, negative tests only give temporary relief if at all).
What are medically unexplained symptoms?
Symptoms for which no organic cause can be identified.
How common are medically unexplained things?
25% of GP appointments are for them. 1/3 of patients have a co-existing psychiatric diagnosis, usually depression or anxiety.
Give 4 specific risk factors for MUS.
Female, physical illness or trauma, stressful childhood (incl. abuse), media campaigns highlighting specific diseases (house episode on the plane!)
What are the 3 main types of complaint for MUS?
Pain in a specific location, functional organ disturbance, fatigue.
NB more likely if a history of anxiety or depression present
What are the 2 underlying mechanisms to MUS?
Enhanced sense of bodily awareness (tending to amplify normal sensations, such as a heartbeat palpitations)
Mis-attribution of symptoms (rather than a symptom being random, i.e. a headache, it is due to a fatal brain tumour)
When should you consider MUS? are ix appropriate?
Any patient with symptoms for more than 3 months, that cannot be readily explained. Investigations do not reassure in 50% and false +ve will lead to worsening. Essentially strike a balance.
Give 3 things that can be used to treat MUS
Taking patient seriously - increasing physical activity, amitriptyline/SSRIs, CBT is good
What is somatisation? How is it different to MUS?
Expression of psychological illness through physical symptoms. Multiple, recurrent and frequently changing symptoms for several years (>2) before psychiatrist referral.
MUS is not an expression of underlying psychiatric illness.