depression & bipolar Flashcards

1
Q

what is depression

A

a mood/affective disorder characterised by low mood and loss of interest/enjoyment in activities

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2
Q

what hormones are involved with depression and what are their key roles

A

in depression there is an imbalance between serotonin, norepinephrine and dopamine
regulate sleep, appetite, mood, reward motivated behaviour

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3
Q

what are the requirements for a depressive episode

A

lasting at least 2 weeks
symptoms impair daily function
symptoms are not attributable to anything else

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4
Q

what are the three core symptoms of depression

A

low mood
adhedonia
anergia

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5
Q

what two screening questions could you ask if you suspected depression

A

During the last month, have you often been botheredby feeling down, depressed or hopeless?
During the last month, have you been botheredby having little interest or pleasure in doing things?

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6
Q

what is the DSM IV/V criteria

A

a list of symptoms used to grade depression

symptoms must have been present everyday for at least two weeks

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7
Q

what are the 9 symptoms (2 criteria) on the DSM IV/V list and what is the minimum amount needed for depression to be diagnosed

A

depressed mood
loss of interest/pleasure (anhedonia)

weight/appetite change
insomnia/hypersomnia 
fatigue 
psychomotor changes 
problems concentrating 
feelings of worthlessness/guilt 
suicidal ideation/self harm

at least 5 of the 9 symptoms with at least one symptom from the first two

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8
Q

what is the score for mild depression

A

5+ symptoms (at least one from first criteria)

mild functional impairment

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9
Q

what is the score for moderate depression

A

2 core + 3/4 cognitive

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10
Q

what is the score for severe depression

A

at least 5 symptoms with marked functional impairment

or any depression involving psychosis

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11
Q

what is psychosis

A

inability to distinguish between symptoms of hallucination, delusion and disordered thinking from reality

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12
Q

what is a hallucination

A

a sensation that has the full force/clarity of a true perception that happens in the external space
no external stimuli
not willed/controlled
hallucinations of the 5 special senses

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13
Q

what are delusions

A

unshakable belief that is out of keeping with the persons social/cultural background

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14
Q

what are types of delusions

A

grandiose
paranoia
hypochondrial
self-referential

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15
Q

what is step one of treating depression

A
assessment 
support 
psycho-education
lifestyle advice - diet, exercise, sleep hygiene 
review in 2 weeks
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16
Q

what is step 2 in treating depression

A

low intensity interventions - group CBT and physical activity
active monitoring
sleep hygiene advice

17
Q

when would you consider using anti-depressants at step 2

A

if patient has a PMH of moderate/severe depression
if they have subthreshold (<5) symptoms for <2yrs and havent responded to other intervention
if they have subthreshold symptoms lasting 2+ years

18
Q

what is step 3

A

add an antidepressant (SSRI 1st)
higher intensity intervention - individual CBT etc
consider fitness to work/drive
follow up (2 weeks)

19
Q

what is the first line antidepressant

A

an SSRI - sertraline or fluoxetine

20
Q

what if the patient doesn’t respond to step 3

A

increase the dose of the antidepressant or swap to a different SSRI
can swap to a TCA or MAOI
can combine the anti-depressant with lithium or an anti-psychotic or another anti-depressant
increase level of support

21
Q

why do you need to wean patients off SSRIs

A

stopping an SSRI suddenly causes withdrawal syndrome

reduce dose gradually

22
Q

what is step four in managing depression

A

this is for severe/complex depression that is not responding to treatment
risk of self-neglect and/or suicide
refer to psychiatry

23
Q

what do you need to establish in a suicide risk assessment

A
thought of suicide/self harm
previous attempts
protective factors
risk factors
intent/ideas
change their will 
current stressors 
access to lethal methods/weapons 
social support 
alcohol/drug misuse
24
Q

what are risk factors for suicide

A
previous attempts/self harm 
other mental health problems
physical illness
low socioeconomic status 
relationship breakdown
25
Q

what is bipolar disorder

A

repeated episodes of depression and mania/hypomania

26
Q

how long does the manic episode need to last in bipolar disorder

A

1-3 months

27
Q

when does bipolar disorder present

A

early - age 15-19

strong family history

28
Q

how do you treat mild bipolar disorder

A
CBT 
exercise 
meditation 
psychological intervention
stop anti-depressants if patients become hypomanic
29
Q

first line medication for bipolar disorder

A

fluoxetine with olanzapine
OR
antipsychotic on it’s own - quetiapine or olanzapine
consider stopping any SSRI the patient is on if patient is in mania

30
Q

second line medication for bipolar disorder

A

lamotrigine or valproate (anti-convulsants)

or lithium

31
Q

who cannot use valproate

A

women of childbearing age (unless they have effective contraception and sign an agreement)

32
Q

what is mania

A

pathological inappropriately elevated mood

associated with grandiose ideas, disinhibition, loss of judgement

33
Q

what is hypomania

A

a lesser degree of mania
doesn’t disrupt work or cause social rejection
NO PSYCHOSIS

34
Q

what are features of mania

A
PSYCHOSIS
elevated mood 
grandiosity 
increased energy 
overactivity 
decreased need for sleep
alteration of senses 
extravagant spending 
irritability 
pressure of speech 
increased sexual activity