Day 4.2 Psych Flashcards
Manic episode
> 1week
Distinct period of abnormal and persistently elevated, expansive, or irritable mood.
Can be happy or angry
Often disturbing to the pt, but can also be fun- v. productive
Dx of manic episode
3 or more of DIG FAST: Distractibility Irresponsibility- hedonistic Grandiosity- inflated self-esteem, can be delusional Flight of ideas- racing thoughts Activity and agitation increased Sleep less (decreased need) Talkative, pressured speech
Hypomanic episode
Like manic except mood disturbance doesn’t interfere with social/occupational function, and doesn’t need hospitalization
No psychotic features.
Bipolar disorder
At least 1 manic or hypomanic episode.
(manic = bipolar I, hypomanic = bipolar II)
Always get depressive symptoms eventually.
Pt’s mood/fn usu returns to normal bt episodes.
Use of anti-depressants can lead to mania (bc they increase serotonin, NE)
Engage in pleasurable activities w potentially painful consequences
High suicide risk
Rx for bipolar disorder
mood stabilizers: lithium valproate lamotrigine carbamazapine
atypical antipsychotics:
olanzipine
aripiprazole
Cyclothymic disorder
> 2 years
milder form of bipolar- hypomania, mild depression
Lithium mech and use
mech unknown, may be related to inhibition of phosphoinositol cascade
Use: mood stabilizer for bipolar disorder, blocks relapse and acute manic events
also used in SIADH
DoC for bipolar, mania
What is SIADH
Syndrome of Inappropriate(ly high) Anti-Diuretic Hormone
Excess ADH = retain water and don’t urinate; serum Na+ decreases.
Toxicity of lithium
LMNOP Lithium side effects: Movement (tremor) Nephrogenic DI hypOthyroidism Pregnancy problems
Tremor, sedation, edema, heart block, hypothyroidism, polyuria (ADH antagonist, causes nephrogenic DI), teratogenesis (Ebstein’s anomaly of the heart).
Narrow therapeutic window, requires close monitoring of serum levels
Ebstein’s anomaly of the heart
Opening of tricuspid valve is directed toward the apex of the RV.
Assoc w lithium in 1st trimester and WPW
Which anti-depressants have no sexual side effects?
Bupropion (wellbutrin)- atypical antidepr NDRI
Nefadozone- SNRI
Mjr depressive episode characteristics
>2wks, need at least 5 of these and also must include pt-reported depressed mood or anhedonia: SIG E CAPS (GAS C PIES) Sleep disturbance Interest loss Guilt/feelings of worthlessness Energy loss Concentration loss Appetite/weight chg Psychomotor retardation/agitation (leaden/hard to get up off of couch)
Major depressive disorder- recurrent
2 or more major depressive episodes with a symptom-free interval of 2 months
Dysthymia
Milder form of depression, 2 criteria, lasting at least two years
Seasonal affective disorder
assoc’d w winter, improves w light
Lifetime prevalence of depression
5-12% male
10-25% female
Sleep patterns of depressed pts
Decreases slow wave sleep (Stg 3&4)
Decreased REM latency (get to REM faster)
Increased REM early in sleep cycle
Increased total REM
Repeated night time awakenings
Early morning awakening (imp screening question)
Atypical depression.
characterized by hypersomnia, hyperphagia (overeating), and mood reactivity- ability to experience improved mood in response to positive events, vs persistent sadness, and psychomotor retardation (feeling like lead)
Assocd w weight gain and sensitivity to rejection
Most common subtype of depression
Rx: MAOIs, SSRIs (NOT TCAs)
What are the 3 post-partum mood disturbances, epi
Postpartum blues: 50-85%
Postpartum depression: 10-15%
Postpartum psychosis: 0.1-0.2%
Postpartum blues
Mild depression for 10days/2wks
Increased tearfulness, tiredness.
Rx supportive care, usually resolves. follow up at postpartum visit
Educate pts about this before birth! 50-85% of pts!!
Postpartum depression
Depressed affect that doesn’t resolve after 2 weeks
Anx, poor concentration
A mjr depressive episode, just in the postpartum period.
Lasts 2 wks to over a year
Rx: anti-depressants, CBT, psychotherapy, supportive therapy
Postpartum psychosis
delusions, confusion, unusual bhvr, homicidal or suicidal ideations or attempts
Days-over 1mo
High assoc w bipolar disorder
Rx antipsychotics, antidepressants, in-pt hospitalization if pt is a danger
ECT
Treatment option for mjr depressive disorder if other Rx doesn’t work.
Cause painless seizure in an anesthetized pt.
Can cause disorientation and antero/retrograde amnesia (minimize by performing ECT unilaterally)
Risk factors for suicide completion
SAD PERSONS: Sex (male) Age (teen or elderly) Depression Prev attempt Ethanol/drug use Rational thinking Sickness (medical illness, 3+ prescriptions) Organized plan No spouse (divorced/widowed/single, esp if childless) Social support lacking
Also, schizophrenia, access to a gun, and borderline personality disorder
Women try more, men succeed more.