High yield exam cram Flashcards
When can a power of attorney be put in place?
Before capacity is lost
When is a power of attorney activated?
When the patient looses capacity
When is a guardianship order used?
when a patient no longer has the ability to make decisions about their care and they do not have a power of attorney
what section of the mental health (care and treatment) act 2003 is nursing holding power?
299
How many hours can a patient be held for under the nursing holding powers (299) in SCOTLAND?
3 hours
What kind of nurse can use a nursing holding power (299)?
psych nurse
What section of the mental health act is an emergency detention certificate?
5(2)
Who can use an emergency detention certificate 5(2)?
FY2 and above
How long does an emergency detention certificate 5(2) last?
72 hours
What can be done under an emergency detention certificate 5(2)?
Assessment only (NO TREATMENT ALLOWED)
can an emergency detetion certificate 5(2) be appealed?
No
What section of the mental health act is a short term detention certificate?
Section 2
Who can put a short term detention certificate in place?
Psych consultants
how long does a short term detention certificate last for?
28 days
What can be done under a short term detention certificate?
Treatment
Can a short term detention certificate be appealed?
Yes
what section of the mental health act is a compulsory treatment order under?
Section 3
How is a compulsory treatment order obtained?
Consultants apply for it and then it goes through a tribunal
how long does a compulsory treatment order last?
6 months
Can a compulsory treatment order be extended?
Yes- by 6 months each time
What is a section 297
Police can remove somebody from a public space and take them to a place of safety
What does dispositional drug tolerance mean?
There is less drug reaching the active site
What does functional/pharmacodynamic drug tolerance mean?
The drug is reaching the active site but is unable to act upon it
Name the pleasure/reward centre of the brain
Ventral tegmental
What is the mechanism of action of cocaine
Monoamine reuptake inhibitor
What is the mechanism of action of diazepines?
GABA agonists (promote all inhibitory systems causing relaxation)
Name an alcohol screening tool
CAGE/ FAST or CIW_AR
What are the features of wernickes encephalopathy?
confusion, ataxia, nystagmus, ophthalmoplegia
What are the features of korsakoffs?
Symptoms of Wernicke’s + memory loss (Alcohol induced ‘dementia’)
Which drug do you give in alcohol withdrawal to control anxiety and agitation
Chlordiazepoxide (benzo) or Lorazepam (benzo)
Which drug to you give to avoid/manage wernicke-korsakoffs?
Pabrinex (thiamine. vit B1)
which drug creates a deterrent effect when mixed with alcohol?
Disulfiram (Antabuse)
Which drug reduces the reward sensation associated with drinking alcohol?
Naltrexone
How long must symptoms persist for before a diagnosis of depression can be made?
Most of the day, nearly every day for >2 weeks
Name two tools used to assess depression
- Hamilton Depression Rating Score
- Patient Health Questionnaire (PHQ-9)
How long must symptoms persist for before a diagnosis of mania or hypomania can be made?
> 1 week
What is the difference between mania and hypomania?
Mania causes impaired functioning. Hypomania does not impair functioning.
What is the diagnostic criteria for bipolar I
At least 1 manic or mixed manic/depressive episode lasting >1 week
What is the diagnostic criteria for bipolar II?
At least 1 hypomanic + at least 1 depressive episode lasting >1 week
What is the difference between bipolar I and bipolar II
Bipolar I - severe form with manic episodes
Bipolar II- milder form with hypomanic episodes
What is the diagnostic criteria for cyclothymia?
Persistent mood instability >2 years
What is cyclothymia?
Mood instability but not severe enough for a depression diagnosis
What psych disorder has the highest mortality
Anorexia Nervosa
What is the BMI required for an anorexia diagnosis?
<18.5
what weight within 6 months loss would raise suspicion of anorexia?
> 20%
What is the average recovery time for anorexia?
6-7 years
name the antipsychotic drug that is often given to anorexic patients and explain why it is given
olanzapine (causes hunger and weight gain)
what is the difference between bulimia and binge eating disorder?
- Bulimia= binge/purge
- Binge eating = no purge
What is the diagnostic criteria required for a personality disorder diagnosis?
personality difficulties for >2Y
Which attachment style is associated with personality disorders?
Disorganised attachment
What is surgency?
The liveliness of a baby
What is negative affectivity?
the extent to which a baby gets upset
what is effortful control?
How well behaviour can be supressed and controlled
what is the most common cause of psychosis?
Schizophrenia
What kind of drugs are used to treat schizophrenia?
Antipsychotics
how long must symptoms have persisted for in order to make a diagnosis of schizophrenia?
1 month
What is the diagnostic criteria for ADHD?
> 6 months of inattention/hyperactivity
What type of drug is given to treat ADHD?
Stimulant
What is the difference between oppositional defiant disorder and conduct disorder?
Oppositional defiant Disorder
- Usually <10 years old
- Mostly related to mood
Conduct Disorder
- Usually >11 years old
- Mostly related to behaviour (law breaking and violence/aggression)
What is the diagnostic criteria for a learning disorder?
IQ 2 or more standard deviations below the mean (IQ<70)
What is the diagnostic criteria for PTSD
Hyperarousal, flashbacks & avoidance persisting for more than 4 weeks after the traumatic incident
What does CBT aim to do?
Change negative patterns of thinking
Can CBT deal with issues from the past?
No
What do interpersonal therapies aim to do?
Help depressed people deal with issues within their relationships
What dies moticational interviewing aim to achieve?
Help people find the motivation to make a positive behavioural change
What is the main feature of Alzheimer’s dementia?
Gradual loss of memory
What is the main feature of vascular dementia?
Stepwise decline in memory
What is the main feature of lewy body dementia?
non-threatening hallucinations
what is the main feature of fronto-temporal dementia (picks disease)?
Personality change
what would you see in the brain of a patient with alzherimer’s dementia?
Amyloid Plaques & Tau tangles
Atrophy
How is alzherimer’s dementia treated?
Mild- treat with ACh inhibitors (donepezil)
Moderate- (treat with glutamate receptor antagonists)
How is dementia assessesd?
MMSE
How is delerium assessed?
4AT
Which psych drugs cause agranulocytosis?
Carbamazepine and clozapine
Which psych drug reduces the seizure threshold?
Mirtazepine
Which psych drugs cause massive weight gain
Olanzepine and mirtazepine
Which psych drug causes a massive increase in serum cholesterol?
Mirtazepine
Which drug causes lactation
Risperidone
Which psych drugs have the biggest risk of extra-pyramidal side effects?
Typical antipsychotics e.g. haloperidol
(Atypical antipsychotics still carry the risk but it is not as great)
how long can it take to feel the benefit of antidepressants?
2-4 weeks
What is the correct stepping up of antidepressive therapy?
SSRI
SNRI
SSRI/SNRI + Mirtazapine OR SSRI/SNRI
Lithium/antipsychotic
MOI
TCA
What is a common side effect seen when initiating antidepressant therapy?
GI upset
How long should you wait to feel the effect of an antidepressant before you move on to something different?
4-8 weeks
How long should an antidepressant be taken for?
After the first depressive episode, continue medications for 6 months to a year
After a second episode, continue medications for 2 years
After a third episode, medication should be given for life
Patient is anxious, depressed AND has neuropathic pain. What are you giving?
Duloxetine
Describe how lithium levels should be checked
Check lithium 12 hours after 1st dose, weekly until levels stable then every 3 months. If dose changes, go back to weekly checks until stable.
What else should be checked if a patient is on lithium?
Check renal and thyroid every 6 months.
What lithium blood level should be aimed for?
0.6-1.2
Describe the lithium blood levels associated with mild, moderate and severe toxicity
- Mild toxicity = 1.5-2.0
- Moderate toxicity = 2.0-2.5
- Severe toxicity = >2.5