Psych Flashcards
Management of acute stress reaction in under 18s
If is a large shared trauma->group based CBT
If not can consider monitoring or individual CBT
Management of PTSD in under 18s
Individual trauma CBT
If after 3 months does not work use EMDR
NO MEDICATION
Management of PTSD in adults
Offer trauma focused CBT as first line but can use sertraline or venlafaxine if wants drug first
Second line paroxetine
When can use EMDR for PTSD
If 1-3 months after can consider if CBT not worked or has preference
If over 3 months then can offer EMDR alongside CBT
When use risperidone in PTSD
Psychotic symptoms present
Severe hyperarousal symptoms that have not responded to other treatments
Back pain and constipation, what psych medication may have caused
Lithium due to hyperparathyroidism
What is personality disorder when very strict moral code and ethics
Anankastic
Differentiating depression from dementia
In depression
- answer I dont know to questions in MMSE
- bothered about low MMSE score
- biological symptoms present
- short history
- global memory loss
What must do for psychosis in elderly
CT to rule out organic cause
Which amnesia get in ECT
Retrograde most commonly
Difference in malingering and muchausens
Malingering- exaggerate or simulate smyptoms
Muchausen- actualy inflict pain upon yourself
Which psych medication can cause renal stones
Lithium from hypercalcaemia
What is it when answer a question with excessive details
Circumstantiality
What do if patient develops a leukocytosis on lithium
Leave them alone just safety net
Causes of personality disorder
Genetic
Psychological
Environmental
If someone dependant on alcohol is admitted to hospital for elective procedure what do
Give chlordiazepoxide
NT associated with depression
Dopamine
How change from fluoxetine to another SSRI
Over 20mg- slowly taper over 2 weeks, 4-7 day washout then start again
Under 20mg- stop abruptly then 4-7 day washout
Which lymph nodes do the gynae cancers metasise to
Endometrial and ovarian- para-aortic
Cervical- pelvic
Vulval- inguinal and femoral
Do you admit patients after suicide attempts
Not always- if low risk then can arrange review by liason psych before discharge
What is atypical anorexia
When have all of the criteria for anorexia but is no weight loss
What defines underweight in children vs adults
Adults- under 18.5
Children- under 5th centile
Diagnostic criteria for anorexia DSMV
Restriction of weight
Intense fear of gaining weight
Disturbance of body image view
If someone escapes from care home, how long do emergency DOLS last
7 days
Hypotonia and non-blanching rash 2 days after birth
Group B streptococcus
If have test of cure for CIN2< and is negative when is recall
3 years regardless of age
How long does section 4 apply
72 hours
Features of paranoid personality type
Paranoid
Sense of self righteousness (doesnt like to be wrong)
Does not take criticism well
Possessive and jealous of partners
Conspiracy theories common
Which personality disorder most linked to schizophrenia
Schizotypal
MOA of procyclidine
Blocks cholinergic neurones
Diagnostic criteria for schizophrenia
2 psychotic symptoms (delusions, hallucinations or thought disorder) or 1 plus either catatonia or negative symptoms present for 1 month
Elemental illusion vs pareidiollic hallucination
Elemental- see flashing lights
Pareidiollic- see something within fire
Brief psychotic disorder vs acute psychotic disorder
Brief psychotic disorder DSM5
Acute psychotic disorder ICD-10
- brief psychotic lasts less than 1 month
- acute psychotic disorder under 3 months (onset within 2 weeks)
Anti-psychotics used for sedation
Haloperidol- risk of prolonged QT
Olanzapine
Management of NMS
Stop drug
Cooling devices
transfer to ITU
Fluids
Benzos- for agitation and to relax muscles
Bromocriptine
What antipsychotic use if prolonged QTC
Aripirazole
Zuclopenthixol
PET scan findings- schizophrenia vs OCD
Schizophrenia- hypoactivity in prefronatal cortex, enlarged ventricles
OCD- hyperactivity in prefrontal cortex
Questionnaire for psycopathy vs risk to others
Psychopathy- PCL-R
Risk to others- HCR-20
Organic causes of psychosis- infective, nutritional, endocrine
Infective- toxoplasmosis, enceph/meningitis, neurosyphylis
Nutritional- pellagra, B12, B1
Endocrine- cushings, thyroid
When measure FBC in clozapine
Weekly for first 18 weeks
18 weeks- 1 year- fortnightly
Beyond 1 year- monthly
How does FBC testing in clozapine classify patients
Red, amber, green
Red- stop immediately
Amber- measure twice weekly until green
Green- continue
What is used to detect/screen delirium
Confusion assessment method
Which antipsychotic particularly associated with weight gain and DM
Olanzapine
If someone has history of DM and HTN what antipsychotic use
Haloperidol or any other typical anti-psychotic
First step in management of neuroleptic malignancy
Cooling and fluids
What other than antipsychotics can cause NMS
Missed dopamine agonist dose
What typically precipitates NMS
Abruptly withholding a dopamine agonist or anti-psychotic
How manage if have long QT evidence on ECG
Discuss with cardiology- do not immediately cessate
What is couvade syndrome
Where mimic pregnant womans
What is particularly associated with ekbom syndrome
B12 deficiency
How does clozapine toxicity present
Confusion
Drowsiness
Ataxia
Tachycardia
Often precipiated by infetions
What do for someone with an at risk mental state with a first degree relative who has schizophrenia
Refer immediately for CBT
What is difference between thought withdrawal and blocking
In both patients randomly stop talking
Withdrawal- stop talking then begin talking about same thing
Blocking- stop talking then start talking about different topic
What do the different antidepressants target
SSRI- presynaptic serotonin uptake channel
TCA- blockade of noradrenaline, serotonin and to lesser extent dopamine reuptake channels- also blocks muscarinic and histaminergic
MOA- non selective and irreversible inhibition of MOA A and B
SNRI- presynaptic blockade of both noradrenaline and serotonin (high doses dopamine)
NaSSA- blocks alpha 2 which increases noradrenaline and seorotonin
Serotonin syndrome presentation
Physiologically too much serotonin in synapses in brain
Autonomic dysfunction- tachycardia, HTN, diaphoresis, mydriasis
Altered mental state- agitation, confusion
NMJ hyperactivity- tremor, hyperreflexia, myoclo
Management of acute phase mania
Trial oral antipsychotic choosing from
- haloperidol
- olanzapine
- quetiapine
- risperidone
If not tolerated then add another from list
If second line not effective lithium may be added, if thats not successful then valproate added unless pre-menopausal woman
MOA of lithium, sodium valproate and carbamezapine
Inhibits recycling of neuronal membrane phosphoinositides
Most important thing to monitor- sodium valproate vs carbamezepine
Sodium valproate- LFT
Carbamezepine- FBC
Side effects of lithium
Weight gain
Tremor
Muscle weakness
GI
Metallic taste
Nephrogenic DI (renal impairment)
T wave inversion
Leucocytosis which is benign
Hypothyrodism and hyperparathyroidism
Management of lithium toxicity
Stop drug
Measure levels
Fluids
Osmotic or forced alkaline diuresis may be required
Haemodialysis may be used if severe
- Renal failure and levels over 2.5
- Severe signs- nystagum etc
- Lithium over 4
How are lithium levels checked
Every week when increasing the dose
Every 3 months should have levels measured if dose stable
Every 6 momnths BMI, U&Es, calcium, TFTs and eGFR measured
Side effects of lamotrigine
Most common is maculopapular rash where must withdraw drug immediately
GI
Headache
Diplopia
Which antidepressants has high chance of death from overdose so avoid in case of suicide risk
Venlafaxine
TCAS except lofepramine
How long should someone be on a SSRI for depression before changing dose/drug
4 weeks
6 weeks if elderly
Side effects of carbamezapine and how to remember
CABRA MEAN
Confusion
Ataxia
Rashes
Blurred vision
Aplastic anaemia
Marrow suppression
Eosinophilia
ADH release
Neutropenia
Secondary causes of mania
Steroids
Levo dopa
Hyperthyroid
Illicit drugs
Organic damage to right side of brain in elderly