Major Depressive Disorder Flashcards
What moods does Depressive Disorder include?
Mild depression, moderate depression, severe depression, severe depression with psychosis
What moods does Cyclothemia include?
Elation, normal mood, dysthymia
What moods does recurrent depressive disorder include?
normal mood, dysthymia, mild depression, moderate depression, severe depression, severe depression with psychosis
What moods does Bipolar affective disorder include?
All of them
Define mood disorders
- disturbance of emotions that are severe or prolonged enough to cause impairment of functioning
- magnification of normal rxn
Define depression
period of extreme sadness and helplessness
- sadness
- feelings of worthlessness
- withdrawal from others
- changes in sleep/appetite
Define mania
period of abnormally high emotion and activity
- intense elation or irritability
- hyperactivity, talkativeness, distractibility
What is the diagnostic criteria for Major depressive disorder?
sad mood or loss of pleasure for 2 weeks, along with at least 4 other symptoms
What is the diagnostic criteria for dysthymic disorder?
Mood is down and other symptoms are present atleast 50% of the time for at least 2 years
What are the three main causes of mood disorders?
- Biological vulnerability
- psychological vulnerability
- stressful life event
What three things can a stressful life event cause?
- stress hormone effect neurotransmitters
- sense of hopelessness and negative thought process
- problems in interpersonal relationships and lack of social support
What is the most common mood disorder?
major depressive disorder
When does MDD occur?
may occur at any age but likelihood increases after puberty
MDD is prevalent in which sex most and when?
Women between time of menstruation and menopause
Define MDD
occurrence of at least a single major depressive episode, although most patients will experience recurrent episodes.
What makes women more prone to MDD than men?
- Hormones*
- girls 2x as likely to experience sexual abuse
- women have more chronic stressors
- more likely to worry about body image
- react more intensely to interpersonal loss
- women spend more time ruminating; men distract
- ruminating intensifies and prolongs sad moods
MDD risk factors
alcohol dependence comorbid chronic medical conditions female sex personal or fam hx of depression recent childbirth recent stressful evetns parental loss trauma during childhood or adulthood low parental warmth
Rate of depression is higher in which type of twin?
Identical (50%)
Fraternal is 20%
Why is the brain less active during MDD?
diminished neurotransmitter levels
Stable vs Temporary explanations
Stable: bad situation will last for a long time
Temporary: This is hard to take but I will get through this
Global vs. Specific
Global: my explanation applies to many areas of my life. ex: w/o my partner, I cant seem to do anything right.
Specific: i miss my partner but thankfully i have fam and other friends.
Internal vs External
Internal: our break up was all my fault
External: it takes 2 to make a relationship work and it wasnt meant to be
Learned helplessness
subjected to events with little or no control -> fails to succeed -> feels overwhelmed/powerless -> develop sense of helplessness -> give up and stop trying to improve the situation -> cycle repeats -> learned behavior develops
Who should be screened for MDD?
all adults that you can provide adequate resources for diagnosis, treatment and f/up.
- pregnant/postpartum women, older adults
- pts with risk factors
- pts w/ unexplained symptoms, chronic pain, anxiety, substance misuse, or nonresponse to effective treatments.
MDD 1st step for depression screening
- Over the past 2 weeks, have you felt down, depressed, or hopeless?
- Over the past 2 weeks, have you felt little interest or pleasure in doing things (anhedonia)?
If pt answers yes to either question, this is a + screen.
MDD 2nd step for depression screening
- dig deeper and engage in conversation about mood and changes in behavior
- Have pt fill out PHQ9
Criteria for MDD on PHQ9
- checked 1 or 2 at level of ‘nearly every day’ AND 5 items from 3 to 9 checked at level of ‘for more than half’ or ‘nearly every day’
- SI (suicidal ideation) always counted if + response regardless of severity
PHQ9 score of 0-4
non-minimal depression
no treatment recommended
PHQ9 score of 5-9
mild depression
watchful waiting, reevaluate at f/up