Psychiatry Flashcards
Define grandeur/grandiose delusions
Delusions with a strong positive affect where patients believe they have highly positive traits e.g “I’m rich” “I’m the Prime Minister”
Grandiose delusion is associated with which condition?
Mania
Define Persecutory delusion
Persecutory delusions are a set of delusional conditions in which the patient believes they are being persecuted
Define Cotard delusion
Refers to the belief that a patient is dead, non-existent or ‘rotting’
Which personality disorder is characterised by a lack of interest in others, apathy and a lack emotional breadth. Patient’s tend to have few friends and do not form relationships, preferring solitary activities.
Schizoid personality disorder
schzOID = avOID, schizoTYPAL = ATYPICAL
How would you describe this thought disorder:
Patient may stop speaking all of a sudden, and this can last for a few minutes. When the patient starts speaking again, they will talk about an entirely different topic.
Thought blocking
(Similar to thought withdrawal, but the key to the diagnosis is the change of conversation topic)
What is the first line treatment for delirium tremens?
Oral lorazepam
Define Delirium tremens
Rapid onset of confusion precipitated by alcohol withdrawal
Usually develops at around 72 hours after ceasing alcohol intake
Can last for several days.
What is a very significant complication of clozapine
Agranulocytosis particularly within the first few months of treatment
What type of delusion would this be classed as:
Person has a heightened sense of self-worth/power/knowledge or believes they have powers no one else has
Grandiose
What type of delusion would this be classed as:
Person believes they are being conspired against, attacked, harassed or obstructed in the pursuit of a long-term goal.
Persecutory
What type of delusion would this be classed as:
Person is convinced something is wrong with them and will focus on symptoms to a level that results in extreme distress and disrupts day-to-day living. Typically relating to a body function or bodily sensations
Somatic
What type of delusion would this be classed as:
Person believes that someone of a higher status than them (such as a singer, politician or actor) is in love with them
Erotomanic
“EROtic - EROtomanic”
What type of delusion would this be classed as:
Person is adamant about a belief that is impossible, not understandable, and unrelated to normal life
Bizarre
Short term side effects of ECT
Headache
Muscle aches or pains
Nausea
Temporary memory loss
Confusion
Name a long term side effect of ECT
Persistent memory loss (v rare)
Name the four first rank features of schizophrenia
1) Auditory hallucination (third person running commentary)
2) Delusion of thought possession (thought insertion, withdrawal, thought broadcast)
3) Delusional perceptions
2 stage process where a normal object is perceived and secondly there is a delusional insight into its meaning e.g. “I saw the Queen on the television and I knew that the mafia would be set to murder me”.
4) Passivity phenomena (sensation of an external influence controlling the thoughts or actions of the sufferer)
Name the 4 negative symptoms of schizophrenia
1) Alogia (poverty of speech)
2) Anhedonia (inability to derive pleasure)
3) Incongruity/blunting of affect
4) Avolition (poor motivation)
ICD-11 diagnosis of paranoid schizophrenia requires symptoms to be present for at least how long for a diagnosis
Symptoms should have been present for most of the time during a period of at least one month
Name the prognostic indicators in schizophrenia i.e. factors associated with a better prognosis
High IQ/education level
Sudden onset
Obvious precipitating factor such as a traumatic life event
A strong support network
Positive symptoms predominant
First-line treatment for paranoid schizophrenia
Atypical antipsychotics e.g. Risperidone
(Atypical antipsychotics are the first line for all psychotic disorders)
Atypical antipsychotics e.g. Risperidone are the preferred first line treatment for psychotic disorders over typical antipsychotics e.g. Haloperidol
Why is that
Typical antipsychotics e.g. Haloperidol. have a risk of extra-pyramidal symptoms
Name the extra-pyramidal symptoms that can be a side effect of typical antipsychotic medication e.g. Haloperidol
Akathisia
Dystonia
Parkinsonism
Dyskinesia
NICE recommends what medication for children and young people whose schizophrenia has not responded to adequate doses of at least two different antipsychotics used sequentially for 6-8 weeks
Clozapine
What is the first line drug treatment in Generalised Anxiety Disorders
SSRI e.g. Sertraline
NICE guidelines suggest that treatment follows a stepped care approach, initially with active monitoring and psychoeducation, then with individual self-help (e.g. online workbooks). If these do not work, a high-intensity psychological therapy such as Cognitive Behavioural Therapy should be offered, or pharmacological therapies
What is the first line management option for panic disorders
CBT (cognitive behavioural therapy)
What is the first line drug treatment option for panic disorders
SSRIs e.g. Sertraline
(drug treatment is still second line as CBT should be tried first as 50-60% remit with medication; 80-100% with CBT)
What vitamin must be replaced to prevent the development of Korsakoff’s syndrome?
Vitamin B1 (thiamine)
Likely Dx:
Triad of:
Confusion
Ataxia
Ophthalmoplegia/nystagmus
Background of chronic alcohol use
Wernicke’s syndrome, which untreated can lead to irreversible memory damage as in Korsakoff’s syndrome
What is the first line management option of Wernicke’s encephalopathy
Vitamin B1 (thiamine) replacement
Wernicke’s encephalopathy is the triad of 3 features
“CAN”:
Confusion
Ataxia (abnormal coordination)
Ophthalmoplegia/nystagmus.
If untreated, Wernicke’s encephalopathy can progress to what condition
Korsakoff’s syndrome
How does Korsakoff’s syndrome present
Profound anterograde amnesia with limited retrograde amnesia
Confabulation can occur where memory gaps are unconsciously filled with false, fabricated memories
Define anterograde amnesia
Refers to an impaired capacity for new learning
Define retrograde amnesia
Refers to the loss of information that was acquired before the onset of amnesia
What type of personality disorder this be classed as:
Irrational suspicion and mistrust of others
Paranoid
What type of personality disorder this be classed as:
Attention seeking behaviours and excessive displays of emotions
Histrionic
What type of personality disorder this be classed as:
Strong feelings of inadequacy and fear of social situations. These patients are extremely sensitive to criticism
Avoidant
What type of personality disorder this be classed as:
Intense psychological need to be cared for by others
Dependent
What type of personality disorder this be classed as:
Pattern of abrupt mood swings, unstable relationships and instability in self-image
Borderline personality disorder
Lewy-body dementia is characterised by three core features
1) Fluctuating cognition
2) Parkinsonism (develop 1-2 years after the symptoms of Lewy-Body dementia)
3) Visual hallucinations
Confusion, ataxia and bone marrow suppression are all side effects of what psychiatric medication
Carbamazepine
Side effects of carbamazepine can be remembered with the mnemonic “CARBA MEAN”
Confusion
Ataxia
Rashes
Blurred vision
Aplastic anaemia
Marrow (bone marrow) suppression
Eosinophilia
ADH release
Neutropenia
Tremor, hypothyroidism, nephrogenic diabetes insipidus are side effects of what psychiatric medication
Lithium
Other side effects of lithium include weight gain, diarrhoea, leukocytosis, poor concentration and drowsiness
Hair loss, weight gain and tremor are side effects of what psychiatric medication
Sodium valproate
Side effects mnemonic “VALPROATE”.
Vomiting
Alopecia
Liver toxicity
Pancreatitis/Pancytopenia
Retention of fats (ie. weight gain)
Oedema
Anorexia
Tremor
Enzyme inhibition
Hirsutism, gingival hyperplasia and lymphadenopathy are side effects of what psychiatric medication
Phenytoin
Other side effects include neuropathies, folate deficiency and drug induced systemic lupus erythematosus (SLE)
DSM criteria for the diagnosis of bipolar disorder
Bipolar disorder is diagnosed when a person has at least one episode of a manic or a hypomanic state, and one major depressive episode
What is the gold standard medication for bipolar disorder
Lithium - acts as a mood stabiliser
What is a suitable second line alternative to lithium to manage bipolar disorder
Sodium valproate
What type of dementia is strongly associated with Downs Syndrome
Alzheimer’s disease
Alzheimer’s disease is caused by an accumulation of amyoid plaques, and the tau protein is also implicated. Down Syndrome is caused by Trisomy 21, and the amyloid precursor protein is found on chromosome 21. The extra copy of APP leads to early onset beta-amyloid plaques
What type of delusion is this:
Delusion that either oneself or another person has been replaced by an exact clone.
Capgras delusion
What type of delusion is this:
Delusional belief where a patient feels that they are infested with parasites. They often complain of feeling “crawling” in the skin
Ekbom’s syndrome
What type of delusion is this:
Delusional belief that they are dead, non-existent or ‘rotting’
Cotard delusion
What type of delusion is this:
Strong delusional belief that their spouse or partner is unfaithful with little or any proof to back up their claim
Othello syndrome
“oh hello cheater”
Likely Dx:
Elderly patient
Visual field defects e.g. blindness
Visual hallucinations
Charles Bonnet syndrome
Organic brain syndrome of the elderly associated with visual field defects. Cortical input from other areas eg. memory association areas closely involved with the occipital lobe is hypothesised to fill in for a visual deficit, producing a hallucinogenic effect
What type of delusion is this:
Patient believes that everyone they meet is the same person but with different disguises
Fregoli delusion
What is the first-line treatment of autoimmune encephalitis
Steroids and IV immunoglobulin
What is the thought disorder:
Patient attributes a false meaning to a true perception. An example of might be a TV presenter wearing a blue tie means that it is dangerous to go outside today.
Delusional perception
Acute stress reaction is a transient disorder that develops in an individual with no other apparent mental disorder in response to exceptional physical and/or mental stress.
Symptoms usually subsides within hours or days. It should last no more than how long?
Should last no more than one month.
What type of delusion is this:
Belief that one deserves to be punished. Usually, the ‘sin’ is an innocent error out of proportion to the guilt felt
Delusion of guilt
Clozapine is associated with a high risk of what which necessitates regular FBC monitoring and close follow up.
Agranulocytosis
Student concerned about her exams, has taking an illicit drug to increase her concentration and focus
Pathognomonic of what substance
Methylphenidate
Stimulant drug usually used in the treatment of Attention Deficit Hyperactivity Disorder (ADHD)
Severely malnourished anorexic patient was admitted to hospital. The consultants have decided that she needs re-feeding via a nasogastric tube. The patient declines treatment.
Can she legally be treated?
This patient can be treated under the Mental Health Act as her physical problem is a result of her mental disorder
Eating disorders are mental disorders. Patients with eating disorders may be putting their lives at risk and may require in-patient treatment. They can be admitted under Section 3 of the Mental Health Act (and equivalent legislation) and treated against their will, although this should rarely be required. It is essential that it is done when necessary, however, and for this a qualified psychiatrist, another mental health worker and another doctor are required. z Under the Mental Health Act feeding is recognised as treatment for anorexia nervosa and can be done against the will of the patient as a life-saving measure
Name this phenomenon
Inability to recognise people, objects or places that were once known to a person
Agnosia
What is agnosia
Phenomenon in which a pt is unability to recognise people, objects or places that were once known to a person
Name this phenomenon
Inability to carry out skilled motor function, despite normal motor function
Apraxia
What is apraxia
Phenomenon in which a patient has the inability to carry out skilled motor function, despite normal motor function
Seen in Alzheimer’s Disease
Name this phenomenon
Inability to derive pleasure
Anhedonia
What is anehdonia
Phenomenon in which a person has the inability to derive pleasure.
Characteristic of mood disorders such as depression, or a negative symptom of schizophrenia
Name this phenomenon
Loss of motivation
Avolition
What is avolition
Phenomenon in which a person has loss of motivation.
Characteristic of mood disorders such as depression, or a negative symptom of schizophrenia
Name this phenomenon
Loss of speech and language function
Aphasia
What is aphasia
Aphasia is a loss of speech and language function.
It can result in word-finding difficulties, or speech that is muddled.
Common feature of Alzheimer’s disease
Infarction in multiple areas of the brain is a pathological finding of what kind of dementia
Vascular dementia
Likely dementia:
Sudden onset cognitive decline and stepwise deterioration in someone with previous cardiovascular illness or events
Vascular dementia
Atrophy of the frontal lobe is a pathological finding of what kind of dementia
Fronto-temporal dementia
Likely dementia:
Cognitive impairment, personality change and disinhibition, in keeping with the frontal area of the brain which is affected
Fronto-temporal dementia
Hypomania vs Mania
In both, you get abnormally elevated or irritable mood, with features such as a reduced need for sleep, psychomotor agitation and pressured speech.
In hypomania, the episode is not severe enough to impair social or occupational functioning, and there are no psychotic features.
In mania, the episode is severe there is significant social or occupational impairment, and may be evidence of psychotic features, which this patient does not show
Creutzfeldt–Jakob disease is caused by which infective organism or molecule
Prion
Prions are misfolded proteins that induce other proteins to misfold. This causes neurones to die, leaving holes in the brain tissue. This leads to a sponge-like appearance giving rise to the alternative name of subacute spongiform encephalopathy
Who needs to be present to grant the short term detention
Psychiatrist
Mental health officer
Short term detention certificate is granted.
How long can you be kept in hospital under the certificate
Up to 28 days (however can be extended if needed)