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Mood Disorders
nus 471 exam 1
29
Nursing
Undergraduate 3
09/23/2012

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Term
mood disorder
Definition
chrarcterized by disturbances in feelings, thinking and behavior
occurs in a continum from severe depression to severe mania
Term
unipolar depression
Definition
mood disturbance with only depression
Term
bipolar
Definition
mood disturbance with symptoms of mania
at least one time in their life
profound mood swings
may have delusions or hallucinations with seasonal pattern
Term
major depressive disorder MDD
Definition
depressed mood, loss of interest (anhedonia) in usual activity for two wks or more
not associated with mania or substance induced.
Term
symptoms of MDD
Definition
appetite change (wt loss or gain)
insomnia or hypersomnia every day
psycho motor agitation or retardation
fatigue
worthlessness or inappropriate guilt
indecicive
suicidal thoughts that recur
Term
post partum MDD
Definition
within 4 wks of delivery
associated with hormonal changes
treatment: antidepressant and psycsocial
Sx: fatigue, irritability, decreased appitite, loss of libido and feel they cant care for the infant
Term
dysthymic disorder
Definition
similar to MDD (depression and loss of interest)
-less severe
at least two years of chronically depressed mood most of the day. with two symptoms that alter social, occupational ect functioning
Term
Bipolar 1 disorder
Definition
one or more manic or mixed episodes
may also have depression
Term
manic symptoms
Definition
inflated self esteem
decreased need for sleep
fast speech
flight of ideas and distractibility
more goal oriented- psychmotor agitation
risky activity that is pleasurable
impairment of occupational function and social
Term
Bipolar II
Definition
one or more major depressive episodes with one hypominic episode
Term
Hypomainc episode
Definition
three or more mania symptoms
Term
Cyclothmia
Definition
two years
several hypomanic episodes
several depressive periods (less severe than MDD)
no major depressive or manic episodes or mixed
impaired functioning
Term
psuedodementia
Definition
associated with depression in the elderly
clinical presentation of depression
treatment: elimination of dementia and Dx
Term
etiology
Definition
mood and bipolar have genetic link, gene abnormality and twin connection
Term
Neurotransmission dysregulation
Definition
biogenic amine theory
mood: low norepinepherine, serotonin and dopamine
bi: increased norepi and dopamine, serotonin is low
Term
Neurotransmission dysregulation
Kindling Theory
Definition
external stressors activate internal physiologic stress responses= trigger of first episode
after one episode pt is more sensitive
Term
Neurotransmission dysregulation
hypothalamic-pituitary-adrenal axis
Definition
depression causes hormonal inhibition to fail releasing high levels of cortisol
Term
Neurotransmission dysregulation
subclinical hypothyroidism
Definition
end effect is diminished TSH response to TRF in 25% of patients with depression
Term
Neurotransmission dysregulation
circadian rhythm changes
Definition
sleep wake cycles via melatonin production
-depression associated with increased melatonin during dark hours
Term
psychoanalytic (psychodynamic) theory
-Freud
Definition
loss turned inward leading to negative feelings associated with depression
Term
cognitive-behavioral theory
-beck
Definition
depression is related to cognative patterns

cognative distortions leading to negative views
Term
learning theory
-seligman
Definition
learned helplessness after experience of numerous failures
=real or perceived
Term
object loss theory
Definition
depressive illness develops after abandonment or separation from a significant other during the first 6 months of life
Term
tricyclic antis
MOA
Definition
block norepi and serotonin reuptake at adrenergic nerves
-- increased serotonin and noreipnepherine
Term
TCA S/e and ADR
Definition
sedation, anticholenergic (SNS), orthostatic hypotension and sexual dysfunction
overdose IS possible
siezure risk and low heart conduction
Term
SSRIs
MOA
Definition
only increse levels of serotonin in CNS
Term
SSRI S/e and ADR
Definition
sexual dysfunction,
anorexia, diarrhea, indigestion and nausea
insomnia (take early)
Term
MAOI's MOA
Definition
blocks breakdown of serotonin and dopamine
Term
serotonin syndrome
Definition
occuring when serotonin reaches toxic levels
when pt takes reputake inhibitors
Sx: fever, confusion, shivering, sweating, inc reflexes, diarrhea and muscle spasms
TWO week washout btwn SSRI and MAOI s and no cough meds
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