Psychiatry: The Main Ones Flashcards
What is major depressive disorder ? characterised by what (3) ? leading to what ? (2)
characterised by persistent low mood, loss of interest + enjoyment and low energy
=> social + occupational dysfunction
What Pneumonic can be used for major depressive disorder presentation ?
SIGECAPS
(SIG E-CAPS, like the doctors used to write on prescriptions or something)
What does SIGECAPS stand for ? what condition associated with ?
major depressive disorder: depressed mood PLUS
- Sleep (disrupt amount + quality, difficulty falling and staying asleep)
- Interest (anhedonia, things that used to bring joy don’t anymore)
- Guilt ( thoughts fixate on guilt, worthlessness, hopelessness)
- Energy (depleted, can’t get out of bed)
- Concentration (reduced)
- Appetite (mostly decreased (food is unappetising/tastless/cardboard) => weight loss)
- Psychomotor retardation (general slowing of speech + paschal movements)
- Suicide
How many criteria are required for major depressive disorder diagnosis ? one of which two symptoms are required ? how long symptoms around for ?
if not depressive mood or anhedonia => not depression
- >5/9 criteria
- > 2 weeks
(two blue weeks)
what is the suicide risk in major depressive disorder ?
5% suicide risk
What is the most common psychiatric disorder ?
major depressive disorder
(mixed anxiety + depression)
percentage of ppl who experience major depressive disorder ?
> 20% experience depressive ep in lifetime
major depressive disorder RF: sex ? age ?
- F twice as likely as M
- first onset usually <25 or >65
Without treatment, how long does depressive ep usually last ? how likely to return ?
depressive ep lasts 6-12 months then return to euthymia
- then 50% chance of another recurring
major depressive disorder:
With treatment, how long does remission take ?
usually less than 3 months
overall major depressive disorder management ? (3)
depends on mild/mod/severe
- Psychotherapy (CBT)
- Medication: Antidepressants, antipsychotics
- ECT
(don’t forget biopsychosocial approach)
How does CBT work ?
focuses on connections between thoughts feelings + behaviour
- break out of cycle
what scale is used to assess for severity of depression ? what are the categories and values for them ?
‘less severe’ depression: PHQ-9 score of < 16
‘more severe’ depression: PHQ-9 score of ≥ 16
name some antidepressant options (drug class + examples)
- how effective are they for major depressive disorder ?
SSRI (citalopram, fluoxetine, sertraline)
SNRI (duloxetine)
Dopamine reuptake inhibitor (buproprium)
- 1/3 remission, 1/3 response, 1/3 resistant
when would you consider ECT in major depressive disorder ? when consider first line ?
- If antidepressant resistant, ineffective (2 antidepressant have been trailed and failed)
- Consider first line in Px with life threatening depression (psychotic, suicidal, catatonia)
Describe the monitoring in antidepressant use for major depressive disorder ? how long use the meds for ?
monitor after 2 weeks
- continue treatment 6 months after remission
how do you stop SSRIs ?
gradually reduce SSRI dose over 4 weeks
which antidepressant should be used in kids/adolescents ?
fluoxetine (SSRI)
What depressive subtypes are there ?
- Melancholia
- atypical
- Postpartum
- Seasonal
- Psychotic
What is atypical depression ? describe presentation ?
which drug used for it ?
ate-typical
- depressed person but with mood reactivity became happy + ate food + gained weight so limbs feel heavy + sensitive to refection
-Tx: MAOIs
What is psychotic depression ?
paranoia/hallucinations + SIGECAP
what is dysthymia ? how long symptoms ?
persistent depressant disorder (chronic, not episodic)
- but it is sub-syndromal (<5/9) but still struggles with low mood >2 yrs
what is double depression ?
dysthymia + major depressive disorder
(generally low mood with additional episode depressive episodes)
What is mania ?
characterised by excessive elevated mood + energy (plus goal directed activity)