Passmed Psych Flashcards
What is the first line medication used in for ADHD in adults?
Methylphenidate or lisdexamfetamine
At what age is a child legally able to consent to sex?
13
What is the first line medication used to treat generalised anxiety disorder?
Sertraline (SSRI)
Give examples of an SNRI?
duloxetine and venlafaxine
What do antipsychotics increase the risk of?
Ischaemic stroke, venous thromboembolism
What are some typical side effects of antipsychotics?
parkinsonism, acute dystonia, restlessness, dry mouth, blurred vision, sedation, raised prolactin, impaired glucose tolerance, neuroleptic malignant syndrome, reduced seizure threshold (atypicals), urinary retention
What side effects are associated with tricyclic antidepressants?
blurred vision, drowsiness, dry mouth, constipation, urinary retention, postural hypotension, Long QT
What are the side effects of lithium?
Nausea/vomiting, fine tremor, nephrotoxicity, thyroid enlargement, T-wave flattening, IIH, leucocytosis, hyperparathyroidism
What medications can be used to manage bipolar disorder?
Lithium, anticonvulsants and antipsychotics
What do you need to monitor in patients on clozapine?
FBC - clozapine can cause agranulosis or neutropenia
Which anti-psychotic reduces seizure threshold?
Clozapine
Which side effect is more common in atypical than conventional antipyschotics?
weight gain
What are the main side effects of clozapine?
neutropaenia, agranulocytosis, constipation, myocarditis, hypersalivation
How does smoking cessation affect clozapine levels?
It can increase them
Which antipsychotics cause hyperprolactinaemia?
Most typical and atypical antipsychotics (aripiprazole has less of these side effects)
What is conversion disorder?
A neurological symptom presenting after a period of stress - usually loss of motor or sensory function
What is a somatisation disorder?
multiple physical symptoms present for at least 2 years
What is illness anxiety disorder (hypochondriasis)?
persistent belief in the presence of an underlying serious disease
What is factitious disorder?
munchausen’s syndrome. intentional production of physical or psychological symptoms (e.g. purposely taking too much insulin)
What is malingering?
fraudulent simulation or exaggeration of symptoms with the intention of financial or other gain
What is hoover’s sign?
compensatory movement of the oppositive limb due to synergistic contraction - when the unaffected leg is flexed against resistance, the affected leg involuntarily extends. can differentiate between organic and non-organic paralysis
What are the typical antipsychotics?
haloperidol, chlorpromazine, loxapine,
What are the atypical antipsychotics?
clozapine, risperidone, olanzapine, aripiprazole, quetiapine
What is delusional parasitosis?
Patients with a fixed false belief that they are infested by bugs
What is capgras syndrome?
delusional misidenification syndrome where the patient believes that someone significant in their life has been replaced by an identical imposter
What is delirium tremens?
A condition caused by alcohol withdrawal, presents with visual/tactile hallucinations, tremor, sweating and disorientation
What is fregoli syndrome?
a delusional misidentification syndrome where the patient believes that multiple people are one person who is constantly changing their appearance
What is the definition of chronic insomnia?
Present for at least 3 months
3/7 nights of the week
Which hypnotics are used to treat short-term insomnia?
benzodiazepines or zopiclone/zolpidem/zaleplon
What is cotard’s delusion?
a fixed false belief that a person believes that part of their body is dead or dying
What is formication?
a type of paraesthesia that feels like insects crawling on the skin
What are the features of serotonin syndrome?
agitation, restlessness, confusion, muscle rigidity, hyperreflexia, dilated pupils and flushed skin
What is the first line SSRI for depression in children and adolescents?
fluoxetine
Which SSRI should be used in patients who have had an MI?
Sertraline
What is the most common side effect of SSRIs?
GI symptoms - increased risk of GI bleeds
What side effect is associated with citalopram?
QT prolongation
What medication should you not take with SSRIs?
NSAIDS - (can give with PPI), warfarin/heparin, aspirin, triptans and MAOIs (increased risk of serotonin syndrome)
What symptoms are associated with discontinuation of SSRIs?
increased mood change, restlessness, difficulty sleeping, unsteadiness, sweating, GI symptoms, paraesthesia
Can you take SSRIs in pregnancy?
yes, but there are some disadvantages. increased risk of congenital heart defects in 1st trimester, pulmonary hypertension of the newborn if used in 3rd trimester
When checking lithium levels at what time should the sample be taken?
12 hours post-dose
How often should lithium levels be checked?
Weekly and after every dose change until stable - then every 3 months. renal and thyroid function checked every 6 months
What are the side effects of lithium?
- vomiting, diarrhoea, fine tremor, nephrotoxicity, hypothyroid, T wave inversion, weight gain, IIH, hyperparathyroidism
What is Russel’s sign?
Calluses on the knuckles or back of hand due to self-induced vomiting
What is the difference between binge-eating and bulimia?
Bulimia = purging behaviours
Binge eating - no purging
What is Pica?
ingestion of non-food like substances - for example soil
What is the criteria for a bulimia nervosa diagnosis?
- recurrent episodes of binge eating
- lack of control during the episode
- purging
- binging and purging behaviours occur once a week
- body dysmorphia