Psychiatry notes

Apr 16th, 2015
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MOOD DISORDER/AFFECTIVEDISORDERA GROUP OF PSYCHIATRIC DISORDER WHOSEMAIN FEATURE IS ALTERED MOOD STATE INFORM OF EXTREME HAPPINESS (MANIA) ORUNUSUAL SADNESS(DEPRESSION)Mood-The internal experience or feeling ofones emotional state.It influences a personsbehaviour and perception of the world.Affect -Is the external expression ofmood.Healthy person experiences a widerange of mood,but they feel in control oftheir mood and affect-Unipolar depression-Bipolar 1 disorder-Bipolar 2 disorder-Dysthymia-Cyclothymia(A)Major depressive disorder/Unipolar depression-Lifetime prevalence 17%-Sex -M/F ratio 1:2Due to:-hormonal differences,-Psycho social stressor,-Behaviour model of learned helplessness.-Age of onset- 20-50 years with a mean of 40 years.-Onset before 20 years could be due to use ofsubstance.Marital status-common in person without closeinterpersonal relation, eg single,separated ordivorced-Lifetime prevelance 1-2.4%-Sex M:F ratio 1:1-Age of onset 5-50 years with a mean of 30years.-Marital status-more common insingle,separated or divorced person.-Reason early onset,no marriage,maritaldiscord,divorce or separation.(A)Biological factors;Mood disorder are associatedwith abnormal biochemistry and the two neurotransmitters which are mostly implicated inpathophysiology of mood disorder areNorepinephrine and

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