2: Mood Disorders Flashcards
(132 cards)
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