2: Mood Disorders Flashcards
What is a mood disorder
Group of psychiatric conditions where primary disturbance is in mood
What are the 4 categories of mood disorders
- Manic
- Hypomanic
- Major Depressive Disorder
- Mixed
Define a manic episode
Period >1W (or less if hospitalised) of persistently raised, elevated, expansile and irritable mood.
What is a hypomanic episode
Period >4d where individuals mood is elevated, expansile and irritable. But, not sufficient to cause pronounced impairment in social or occupational functioning.
What is major depressive disorder
> 2W where individual has depressed mood or loss of pleasure in activities
What is a mixed episode
Affective episode (2W) - characterised by rapid alternation in hypomanic, manic and depressive symptoms
Define unipolar depressive disorder
Persistently and pervasive low mood for 2 weeks, that is significantly different to normal
What is the time frame to diagnose unipolar depressive disorder
Symptoms persisting beyond 2W
In which gender is unipolar depressive disorder more common
Females (2:1)
What model outlines causes depression
Biopsychosocial model
What biological factors contribute to depression
Genetics: 45% concordance in monozygotic twins
Endocrine: high cortisol, low thyroid
Neurotransmitter: low 5-HT
Neuroanatomy: decrease density in pre-frontal cortex
What is theory describing serotonin deficiency in depression called
Monamine oxidase theory
What psychological factors have been linked to depression
Personality - neuroticism increases risk of depression
What are social factors that can cause depression
Adverse childhood events
Marital status
What is a social risk factor for depression in men
Rates of depression are higher in separated males
What is a mnemonic to remember ICD-10 criteria for depression
SIG E CAPS
What are the 10 symptoms of depression
Sleep disturbance Interest loss Guilt or unworthiness Energy loss, Erection (libido) loss Cognitive decline Appetite loss Psychomotor agitation Suicidal ideation
What is the ICD-10 criteria for depression
Individual must four (out of 10) or more of the following persisting for more than 2W:
- Anhedonia
- Loss of energy
- Low mood
- Appetite loss
- Insomnia and sleep disturbance
- Psychomotor retardation
- Libido
- Feelings guilt or unworthiness
- Reduced concentration
- Suicidal ideation
What are the 3 core symptoms of depression
Anhedonia
Low mood
Anergia (Low energy)
How is depression categorised
Into:
- Mild
- Moderate
- Severe
What is required to define mild depression
4 Symptoms, 2 of which must be core symptoms
What is required to diagnose moderate depression
6 symptoms, 2 of which must be core symptoms
What is require to diagnose severe depression
7 symptoms, 3 of which must be core symptoms
What are 3 delusions associated with depression
Nihlistic
Cotard
Delusiosn of guilt
What is a nihilistic delusion
That the world is going to end
What is a cotard delusion
The the person is already dead or rotting on the inside
What is delusion of guilt
Everything is their fault eg. the next door neighbour cat died and it was their fault
What are two other symptoms of depression
Low self-esteem
Auditory hallucinations
What are 3 differential diagnosis for depression
- Adjustment disorder
- Bereavement
- Hypothyroidism
what is seasonal affective disorder
When individuals experience symptoms of major depressive disorder in winter
what is major depressive disorder with psychosis
Symptoms major depressive disorder with psychotic hallucinations and delusions
Explain delusions and hallucinations in MDD with psychosis
Delusions and hallucinations are usually congruent with mood
What is dysthymia also known as
Persistent major depressive disorder
What is dysthymia
Symptoms of major depressive disorder persisting beyond 2-years
What is first line for investigating depression
Ask two questions, how often in past month have you felt bothered by:
- Feeling down or depressed?
- Little pleasure in things used to enjoy?
What two questions should people be asked to screen for depression
- Feeling down, depressed or hopeless
2. Little pleasure in something used to enjoy
If a person answer yes to either of the screening questions what is next line
PHQ-9 Questionnaire
HAD
In the PHQ9 what defines mild depression
5-10
In the PHQ9 what defines moderate depression
10-15
In the PHQ9 what defines moderately severe depression
15-20
In the PHQ9 what defines severe depression
20-27
What is a positive score in HAD
More than 11
What should all patient’s with depression receive during work-up
Risk assessment
What is offered for all cases of depression
Advice and Follow-up (in 2W)
What is offered for persistent sub-threshold depression symptoms or mild-moderate depression
Low intensity psychosocial intervention
What are the two low intensity psychosocial interventions
CCBT
Group-Based CBT
What is step 3 for moderate-severe depression
High intensity psychosocial intervention or medication
what is step 4 for severe depression, severe self-neglect or risk to life
Crisis service
ECT
Inpatient care
How is mild-moderate depression managed
- Advice and follow-up in two weeks
2. Low intensity psychosocial intervention
What advice is offered in mild-moderate depression
Sleep hygiene
What are two low-intensity psychosocial interventions
CCBT (Online-CBT)
Group-CBT
If individual does not improve on low intensity psychosocial interventions, what is offered
High intensity psychosocial intervention or medication
what are three criteria for antidepressants
- Sub-threshold depressive symptoms persisting beyond 2-years
- Mild depression not managed by low intensity psychosocial methods
- Moderate - Severe depression
what is first line medication for depression
SSRIs
if an individual has chronic health problems, what SSRI should they be prescribed and why
Citalopram or Sertraline
- Fluoxetine has highest drug interactions
what needs to be considered when giving SSRIs
Suicide risk
what happens if an SSRI is ineffective
Trial another SSRI after 3-4W
what is second-line medication for depression
TCA
what is third-line medication for depression
MAOI
what is fourth-line medication for depression
Venlafaxine
what is venlafaxine
SNRI
If switching one SSRI (citalopram, sertraline, escitalopram, paroxetine) to another SSRI what should be done
Stop one SSRI and start the next
If switching fluoxetine to another SSRI, what should be done
Stop Fluoxetine, wait 4-7d, then start the next SSRI
If switching SSRI (not fluoxetine) to TCA what is done
Gradually taper down SSRI and increase TCA
if switching SSRI (not fluoxetine) to Venlafaxine what is done
Gradually taper down SSRI and increase TCA
What is the risk of switching SSRIs
Serotonin Syndrome
What are the 4 causes of serotonin syndrome
- TCA
- SSRI
- Amphetamines
- Ectasy
What are three features of serotonin syndrome
- Autonomic Symptoms
- Altered mental status
- Neuromuscular excitation
What are the 3 symptoms of neuromuscular excitation
Myoclonus
Hypereflexia
Rigidity
What is an autonomic symptom of serotonin syndrome
Hyperthermia
How is serotonin syndrome managed
IV Fluids
Benzodiazepines
How is seratonin syndrome managed if severe
Serotonin antagonists:
- Chlorpromazine
- Cyproheptadine
What is used to treat severe depression
ECT
Crisis Resolution and Home treatment team
When is ECT used
Severe life-threatening depression that needs urgent response
What is CRHT
Crisis resolution and home treatment team
If psychotic depression what may be used to treat
Anti-psychotics
How does ICD-10 define bipolar affective disorder
Disorder characterised by two or more disturbances in mood. This can be classified as elevation in mood and energy (mania and hypomania) or depressive mood.
How does DSM-V classify bipolar disorder
Into 5 distinct types
What is type I bipolar disorder
Manic and depressive disorder
What is type 2 bipolar disorder
Hypomanic and depressive disorder
What is bipolar type 3
Cylothermia
Define cyclothermia
persistent hypomanic symptoms that do not meet the diagnostic threshold and persistent depressive symptoms that do not meet the diagnostic threshold
What is the average age of onset for bipolar disorder
21y
Describe aetiology of bipolar
Very strong genetic component (40-70%) concordance amongst twins
What is the main risk factor for bipolar disorder
FH
What are 4 triggers for bipolar disorder
- Traumatic childhood experience
- Psychosocial stress
- Sleep disturbance
- Physical illness
Define mania
Period >1W where individuals experience persistently abnormally and persistently raised, expansive, irritable mood
Define hypomania
Period >4d where individuals experience elevated mood insufficient to cause impairment in their social or occupational functioning
What is a mnemonic to remember symptoms of manic episode
DIGFAST
What are the symptoms of a manic episode
Distractable Irresponsible Grandoisity Flight of ideas Activity increase Sleep reduction Talkativeness
Describe time-frame in the following
a. Mania
b. Hypomania
a. >1W
b. >4d
Describe presentation of mania
Severe functional impairment, requires hospitalisation due to risk to self or others
What symptoms can be present in mania
Psychotic symptoms
Describe hypomania
Lesser version of mania
How long does hypomania last
4d
Describe psychotic symptoms in hypomania
No psychotic symptoms
What is a mnemonic to remember depressive symptoms
SIG E CAPS
What are symptoms of depressive episode
Sleep disturbance Interest loss in activities Guilt Energy low, Erection (libido) loss Cognitive decline Appetite loss Psychomotor agitation Suicidal ideation
Explain investigation for bipolar depressive disorder
Any individual who presents to HCP should be asked - within the past 4-days have you experienced any symptoms of persistently raised mood?
What should happen to an individual if they have had episodes of hyper-excitability in the past 4-days
Specialist referral to psychiatric assessment unit
What does a specialist assessment involve
Risk assessment
Psychiatric assessment
Describe conservative measures to manage mania or hypomania
- Calming environment
- Recommend individual does not make any large life choices until post-recovery
- Refer to CMHT
What is first-line medical treatment for mania or hypomania
Antipsychotic
What antipsychotics are offered for mania in bipolar disorder
Olanzipine
Risperidone
Quetiapine
What is second-line for manic episode in bipolar disorder
Lithium
What is third-line for mania in bipolar disorder
Valproate
If someone is on an antidepressant and has a manic episode, what should be done
Stop antidepressant and start antipsychotic
if pharmacological measures are ineffective in manic episode of bipolar what is used
ECT
When is ECT used
To induce rapid remission in symptoms
What conservative measures are used to treat depressive episode in bipolar
High-intensity psychosocial intervention
Name three high-intensity psychosocial interventions
- Interpersonal therapy
- CBT
- Behavioural couples therapy
What medical treatment is first-line for depressive episode in bipolar disorder
Fluoxetine and Olanzapine
What is an alternative to fluoxetine and olanzapine in depressive episode of bipolar
Quetiapine
When is third (/second-line) for depressive episode in bipolar
Lamotrigine
What conservative measures are offered long-term for bipolar disorder
High-intensity individual and group psychological interventions to prevent relapses
What is first-line long-term management for bipolar
Lithium
What is second-line long-term management for bipolar
Valproate
Or:
Olanzapine
Or:
Quetiapine
What should individuals with bipolar be reviewed for annually
- BMI
- Weight
- Cardiovascular profile: HbA1c, Lipid Profile
- LFTs
If on lithium, what 3 things should be checked
TFT
Renal Function
Calcium
What two medications offered for bipolar are teratogenic during pregnancy
- Valproate
- Lithium
What medications are safe alternatives in pregnancy
- Lamotrigine
- Olanzapine
What drug for bipolar is contraindicated in breast feeding
Lithium
Explain risk of bipolar and what is done to address this
Increases risk of CVD (4-times) and diabetes (4-times0
: therefore monitor CVD risk factors annually in these patients
What is grief
Period of grief, low mood and adaptation following a bereavement
Define prolonged greif
Grief> 12m
Define delayed grief
Onset of grief 2W after initial loss
What are 4 risk factors for abnormal grief reaction
- Women
- Unexpected death
- Problematic relationship
- Poor social support
Who outlined stages of grief
Kuber and Ross
What is a mnemonic to remember Kuber-Ross stages of grief
DABDA
What are the Kuber Ross stages of grief
Denial Anger Bargaining Depression Acceptance
Explain how an individual may progress through stages
Individual may not progress through all stages, can progress through them in a non-linear fashion. If someone is stuck in a stage they may need assistance
What can happen in denial stage of grief
Individual may experience pseudo hallucinations (visual and auditory). They can focus on objects that reminds them of their loved one and even prepare meals for them