psych Flashcards
PHQ-9 score - what are NICE cut-offs for
(a) less severe depression
(b) more severe depression
and first-line Rx
(a) <16 - refer to CBT
(b) > or = 16 - SSRI and refer to CBT
what needs to be checked before starting venlafaxine
blood pressure
A patient taking chlorpromazine develops a bilateral resting tremor. What side-effect of antipsychotic medication is this an example of?
Parkinsonism
sustained muscle contraction (e.g. torticollis, oculogyric crisis) is what side effect
acute dystonia
what is the treatment of acute dystonia (sustained muscle contraction - torticollis, oculogyric crisis)
procyclidine
severe restlessness caused by anti-psychotics is called what?
akathisia
Abnormal, involuntary choreoathetoid movements e.g. chewing and pouting of jaw
tardive dyskinesia
2 adverse effects/warnings of increased risk of when antipsychotics are used in elderly patients
Increased risk of stroke and VTE
acute stress disorders has a timeframe of what period after the traumatic event
acute stress reaction in first 4 weeks
PTSD is after 4 weeks
acute stress disorder management
trauma-focused CBT first line
benzodiazepines for acute symptoms
SSRIs are associated with what electrolyte abnormality
hyponatraemia
what is the most common side effect of SSRIs
GI symptoms
What should be prescribed if a patient is taking SSRIs and NSAID
PPIs
Which two SSRIs have a higher propensity for drug interactions
Fluoxetine
Paroxetine
Citalopram main adverse effect
Prolongs QT interval
Interaction between warfarin/heparin and SSRIs
What other medication can be considered instead
NICE advises avoiding SSRIs
Consider mirtazapine
What 4 medications should you be cautious of with SSRIs
- NSAIDs - give PPI
- Triptans - avoid SSRIs
- Aspirin
- Warfarin/heparin - give mirtazapine instead
After starting antidepressant therapy, patients should be reviewed after…
2 weeks
For patients under age of 30 or increased risk of suicide after 1 week
If a patient makes a good response to antidepressant therapy they should continue on treatment for at least how long
6 months to reduce risk of relapse
When stopping SSRI, dose should be gradually reduced over how long?
4 week period
What SSRI has the highest incidence of discontinuation symptoms
Paroxetine
Somatisation definition
Multiple physical SYMPTOMS
At least for 2 years
Patient refuses to accept reassurance or negative test results
Conversion disorder definition
Loss of motor or sensory function
Patients may be indifferent - la belle indifference
Muchausen’s syndrome is also known as
Factitious disorder
ICD-10 criteria requires depressive symptoms to be present for at least..
2 weeks
HAD scale - what are the score thresholds
0-7 normal
8-10 borderline
11+ anxiety/depression
PHQ-9 scoring thresholds
<16 less severe depression
>16 severe depression
Cluster A personality disorder
Odd or eccentric
Paranoid
Schizoid
Schizotypal
Cluster B personality disorder
Dramatic, emotional, erratic
Antisocial
Borderline
Narcissistic
Cluster C personality disorder
Anxious and fearful
Obsessive-compulsive
Avoidant
Dependent
Management of personality disorders
Dialectal behaviour therapy
jealousy where a person is convinced their partner is cheating on them
what condition
Othello syndrome
3 adverse effects of atypical antipsychotics
- weight gain
- clozapine - agranulocytosis
- hyperprolactinaemia
what is the first line SSRI for generalised anxiety disorder
sertraline
Generalised anxiety disorder, first line treatment is sertraline. If this is ineffective, what can be offered?
- offer alternative SSRI or SNRI (duloxetine, venlafaxine)
- if cannot tolerate SSRIs or SNRIs, offer pregabalin
- weekly follow up is recommended for under 30s for the first month
management of panic disorder
- CBT or drug treatment
- SSRIs are first line.
- If contraindicated or no response after 12 weeks then imipramine or cloipramine should be offered
5 factors associated with poor schizophrenia prognosis
- Strong family history
- Gradual onset
- Low IQ
- Prodromal phase of social withdrawal
- Lack of obvious precipitant
first-line treatment for children and young people with anorexia nervosa
family based therapy
diagnosis of anorexia is now based on the DSM5 criteria and BMI and amenorrhoea are no longer specifically mentioned.
what are the 3 criteria?
- restriction of energy intake relative to requirements leading to low body weight
- intense fear of gaining weight or becoming fat even though underweight
- disturbance in way weight or shape is experienced or denial of seriousness of current low body weight
NICE recommend adults with anorexia should have one of which three treatments
- individual eating disorder focused CBT (CBT-ED)
- Maudsley anorexia treatment for adults (MANTRA)
- specialist supportive clinical management (SSCM)
To screen for depression, which two questions are most useful to ask?
‘During the past month, have you been bothered by ….’
feeling down, depressed, or hopeless
and
having little interest or pleasure doing things
when checking lithium levels, the sample should be taken how many hours post-dose
12 hours
how often should lithium levels be monitored?
weekly, after starting lithium or after each dose change, until concentrations are stable
In patients who take lithium, what other things need to be checked (other than lithium levels) and how often?
BMI, serum electrolytes, eGFR, (renal function) and thyroid function every 6 months