Depression and Mood Disorders – Flashcards
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when they become too long term or too extreme
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Depression and elation are normal human emotions. When do they become a 'disorder'?
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a primary disturbance in the internal emotional state, causing distress and problems in functioning
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Mood disorders are characterized by what?
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depression, bipolar disorder (I and II), dysthymia, cyclothymia
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What are some primary mood disorder that we learned about?
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a medical condition, substance abuse, or withdrawal, etc.
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What are secondary mood disorders due to?
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10% in males and 20% in females
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What is the lifetime prevalence of unipolar disorders (e.g. Depression)?
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unipolar
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Depression is a _________ disorder.
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females
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Is depression seen more in males or females?
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40 years old
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What is the mean age of onset in unipolar disorders (Depression)?
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1% in both males and females
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What is the lifetime prevalence of bipolar disorders (manic)?
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30 years old
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What is the mean age of onset in bipolar disorders (Manic)?
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It is seen the same in both sexes
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Is mania seen more in males or females?
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single and divorced people
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There is a higher risk for both unipolar and bipolar disorders if family history is present. Bipolar disorder is more prevalent among ________ and ____________ people.
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17%
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Major depressive disorder has highest lifetime prevalence (_____%) than any other psychiatric disorder.
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men, BUT women have a higher rate of occurrence of manic episodes (mania lasts longer in men, but they do not experience as many manic episodes as women)
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Is mania more likely in women or men?
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60
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______% of depressed patients have suicidal ideation
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15
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_____% of depressed patients die by suicide
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true!
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T or F: Unipolar and Bipolar disorders have no correlation with ethnicity, education, marital status or income.
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depression
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If you have major depressive disorder or unipolar depression, you must have only _________.
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depression
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If you have bipolar disorder, you have mania/hypomania WITH _________.
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True!
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T or F: There is no simple 'manic' condition (i.e. mania alone, unipolar mania) since depression symptoms eventually occur.
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True!
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T or F: A depressed person can just be depressed, whereas a manic person cannot just be manic, they will be depressed too.
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bipolar
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Depression in mania is ________.
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An episode of mania that does not meet full DSM-IV-R criteria for a manic episode (less than 7 days and no hospitalization)
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What is hypomania?
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a less severe form of bipolar disorder
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What is cyclothymia?
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a less severe form of major depression (Eeyore)
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What is dysthymia?
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MANIC!
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If a person has a manic episode and requires hospitalization, they are _______.
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Ajax (you probably don't have to know this but just in case)
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Depression (and Bipolar Disorder) has been around a long time; the Greek king _______ gets depressed and commits suicide during the siege of Troy (1200 BCE).
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A. Major depressive episode must last AT LEAST TWO WEEKS and have five or more of the following symptoms (look at next notecard) B. Symptoms do not meet criteria for mixed episode (see later) C. Symptoms cause clinically significant distress or impairment of functioning (social, etc) D. Symptoms are not due to a medical condition (someone upset due to their cancer) E. Symptoms are not better accounted for by bereavement
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What is the criterion for Depression according to the DSM-IV-R?
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1) depressed mood most of day, nearly every day 2) diminished interest in all or almost all activities most of the day, nearly everyday 3) significant weight loss when not dieting, or weight gain (>5% change in body weight in less than a month) 4) insomnia or hypersomnia 5) psychomotor agitation or retardation 6) fatigue or loss of energy 7) feelings of worthlessness or excessive guilt 8) diminished ability to think or concentrate 9) recurrent thoughts of death/suicidal ideation (4-9 add 'nearly every day')
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What are the symptoms that are part of criteria A?
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bereavement
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If a patient just loses a spouse, it is usually due to _______________, not depression.
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Bipolar
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People who are manic with very little depression still have __________ disorder.
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NE, 5-HT and sometimes DA
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Drugs for treatment of depression typically interact with _______ and sometimes ______ (all are decreased in depression)
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tricyclic antidepressants, SSRI's, and MAO inhibitors
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What are some drugs that treat depression?
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Tricyclic antidepressants
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What drug to treat depression was first used in the 1950's but is now largely replaced by SSRI's but is still used for patients who are not responsive to SSRI's?
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SSRI's
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What drug to treat depression are widely used now (the 'go-to' guys) and inhibit 5-HT reuptake which in turn prolongs 5-HT activity in the synapse?
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SSRI's
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What are paxyl and zelexa examples of?
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MAO inhibitors
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What drug to treat depression block the degradation of transmitters and thus prolong their action?
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glucose, amygdala The amygdala is a big area in the brain for emotions and fear, etc.
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PET scans show abnormally high _________ metabolism in the __________.
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hippocampus-->HUGE FOR MEMORY FORMATION
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The ___________ is smaller in depressed patients and will atrophy greater as depression continues.
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glucocorticoids
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Higher levels of __________ correlates with stress and depression.
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anti-inflammatory agents released by the adrenal cortex
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What are glucocorticoids and where are they released?
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TSH
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If you give depressed patients TRH, some (5-10%) will release too much ______ and some (20-30%) will release too little ______.
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40-60%
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You see elevated HPA (glucocorticoids) activity in ____% of depressed patients
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tests for depression in patients--> you give dexamethasone to a patient and if patient is normal, HPA activity (circulating glucocorticoids) will decrease for 24 hours. With depressed patients, dexamethasone will NOT decrease HPA activity.
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What is the dexamethasone (Decadron) suppression test?
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an artificial steroid
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What is dexamethasone?
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hypothalamus-->pituitary-->adrenal this axis responds to stress and seems to have changes in depressed patients
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What is the HPA axis?
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increased, decreased
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CSF somatostatin levels are __________ in mania and ____________ in depression.
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inhibits release of somatotropin, glucagon, and insulin produced in the pancreas
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What does somatostatin do?
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TRH, TSH
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Hypothalamus releases ______ which stimulates pituitary to release ______ which stimulates thyroid gland to release T3 and T4
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10-25%
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If one parent has a mood disorder, their child has ______% chance of developing one.
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20-50%
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If both parents have a mood disorder, their child has _______% chance of developing one.
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50-70%
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Twin studies suggest genetics account for _______% of etiology of mood disorders.
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True
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T or F: Stressful life events generally precede the first appearance of a mood disorder, not the subsequent episodes.
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losing a parent before age 11
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What is the life event most often associated with depression?
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dogs who were previously exposed to inescapable shock had difficulty learning to avoid escapable shock in a new situation it is the antithesis of our greatest heroes finding a way to beat the odds, finding a new strategy, etc.
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What is learned helplessness?
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For recurrent, episodes are separated by at least 2 months
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What's the difference between major depressive disorder (single episode) and major depressive disorder (recurrent)?
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depressed mood, low self esteem, loss of enjoyment of pleasurable activities (anhedonia), feelings of worthlessness, hopelessness, loser, uselessness, insomnia, and anxiety
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What are some clinical features of depression?
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80%
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_________ of depressed people have insomnia.
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90%
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_________ of depressed people have anxiety.
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50%
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____% of patients show symptoms of depression before a major 'episode' is identified.
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6-13 months
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An untreated episode will last ______________ typically until relief of symptoms
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3 months
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A treated episode will last ___________ until relief of symptoms
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true!
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T or F: Early drug treatment cessation will most often result in a recurrence of symptoms.
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5-10%
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_______ of depressed patients will experience a manic episode
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True
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T or F: Depression is generally chronic and patients tend to relapse.
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50%
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Approximately _____ of depressed patients do not seem aware, or deny, that they have depression.
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50% 50% 50%!
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If asked about a percentage, say 50% and you will probably be right
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hypochondriac
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'Masked' depression patients often see the doctor for vague physical symptoms, and thus are sometimes misdiagnosed as ____________.
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a depressed person will show other symptoms inconsistent with hypochondriasis (weight loss, etc.)
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How do you tell the difference between a hypochondriac and depressed person?
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Hypothyroidism, hypogonadism, metabolic disturbances, infectious processes, age-related (Alzheimer's, etc.), adverse reactions to medications, alcohol abuse, Lyme disease, Wilson's disease, Huntington's, Parkinson's, stroke, hyperthyroidism, cancer of pancreas, MS, etc.
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What are some differential diagnosis for Depression?
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1/3
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As many as _______ of individuals with a serious medical condition experience depression.
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Melancholic depression
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What is the depression where you see a loss of pleasure in most or all activities, failure of reactivity to pleasurable stimuli, a quality of depressed mood more pronounced that that of grief or loss, a worsening of symptoms in the morning hours, early morning waking, psychomotor retardation, excessive weight loss, or excessive guilt?
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Anorexia Nervosa
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What should excessive weight loss not be confused with in depressed patients?
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mood reactivity (mood improves in response to something good, also known as paradoxical anhedonia), hypersomnia, leaden paralysis (a sensation of heaviness in limbs), significant social impairement as a consequence of hypersensitivity to perceived interpersonal rejection, significant weight gain or increased appetite (comfort eating--reverse vegetative signs), fatigue superimposed on a history of somatic anxiety and phobias, crave carbohydrates, might involve thyroid dysregulation, higher prevalence in women, MAO-I's more effective than SSRI's or TCA's
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What are some symptoms of atypical depression?
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insomnia and not eating
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What are some examples of vegetative signs?
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women
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Do you see atypical depression more in men or women?
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MAO-I's (better than SSRI's or TCA's)
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What is the most effective treatment for atypical depression?
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Catatonic depression
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What is the rare and severe form of major depression involving disturbances of motor behavior and other symptoms where person is mute and almost stuporous, and either remains immobile or exhibits purposeless or even bizarre movements?
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Post-partum depression
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What is the intense, sustained and sometimes disabling depression experienced by women after giving birth?
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Seasonal Affective Disorder
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What is the type of depression where you see depressive symptoms during the winter months only?
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increased sleep, increased appetite, especially for carbs, decreased energy, morning sickness, difficulty in waking up
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What are some of the symptoms for Seasonal Affective Disorder?
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abnormal melatonin metabolism
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What is Seasonal Affective Disorder caused by?
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false: it can occur in the summer but it is less common (symptoms in the summer are similar to major depression but can be either melancholic or atypical)
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T or F: Seasonal Affective Disorder can only occur in the Winter.
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sunlamps, possible melatonin tables, anti-depressants (SSRI's), negative air ionization
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What can you use to treat Seasonal Affective Disorder?
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1. Depressive episodes must occur at a particular time of the year 2. Remissions or mania/hypomania must also occur at a characteristic time of year 3. These patterns must have lasted two years with no nonseasonal major depressive episodes during that same period 4. These seasonal depressive episodes outnumber other depressive episodes throughout the patient's lifetime
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What is the DSM-IV-R criteria for seasonal affective disorder?
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Vascular Depression, Minor depressive disorder, Mixed anxiety-depressive disorder, Recurrent brief depressive disorder, Premenstrual dysphoric disorder, Postpartum depression, Motility psychosis, Anxiety-blissfulness psychosis, Hysteroid dysphoria
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What are some other types of depression?
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the prefrontal lobe is damaged due to ischemic events resulting in age related depression that is often unresponsive to antidepressants
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What is damaged in vascular depression and why?
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repetitive transcranial magnetic stimulation (rTMS) rTMS has also been used for Parkinson's, tinnitus, dystonia, etc.
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What has been effective in treating vascular depression?
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Minor Depressive Disorder
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What type of depression has the same criteria as Major Depressive Disorder just less severe?
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Minor Depressive Disorder
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What type of depression could by synonymous with dysthymia but is not well defined yet?
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Mixed Anxiety-Depressive Disorder
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In what type of depression do you see persistent and recurring depressed mood for at least 1 month with symptoms of anxiety (sleep disturbances, irritability, worry, etc.)?
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Mixed Anxiety-Depressive Disorder
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What type of depression is most prevalent in 'general medical settings' (anxiety about a medical condition) where chronic fatigue is a common complaint?
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Mixed Anxiety Disorder
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In what type of depression does an individual have some anxiety and some depression but one didn't cause the other?
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Recurrent Brief Depressive Disorder
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What is the type of depression where you have short (<2 weeks) episodes of depression that occurs over and over again that meet all the criteria of major depressive disorder?
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young adults
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Recurrent Brief Depressive Disorder is most common in what age group?
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2 days to 2 weeks, 12 months
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Depressive periods must last _____ to ______, and occur once a month for ____ months, not relating to menstrual cycle.
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True
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True or false: In recurrent brief depressive disorder, there are no major depressive, manic, or hypomanic episodes.
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Premenstrual Dysphoric* Disorder Dysphoria: opposite of euphoria (i.e. anger, sadness, rage, despair)
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What type of depression does a person have when their mood, behavior and physical symptoms are occurring at a specific time during the menstrual cycle?
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5%
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Premenstrual Dysphoric Disorder occurs in ____% of women.
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Post Partum
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Women with Premenstrual Dysphoric Disorder are at a greater risk for __________ depression.
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crying spells, verbal outbursts, tantrums
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You typically see mood lability in women with Premenstrual Dysphoric Disorder. What are some examples of mood lability?
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mood lability
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crying spells, verbal outbursts, tantrums are all examples of ______ __________.
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Dysphoria
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What is the opposite of euphoria (anger, sadness, rage, despair)?
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Postpartum Depression
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What type of depression affects women right after childbirth but can also affect men?
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Postpartum blues ('baby blues'), Major Depressive Episode, and Brief Psychotic Disorder with postpartum onset?
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What are the 3 possible types of Postpartum Depression?
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Postpartum blues (30-50% of women)
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What is the type of Postpartum Depression that has an onset within a few days of birth and the symptoms can last approximately 2 weeks?
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1/3 to 1/2 or 30-50% of women
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As many as ____ to ____ of women experience Postpartum blues.
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Major Depressive Episode (5-10% of women)
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What is the type of Postpartum Depression that starts within one month of delivery and can last a year?
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Brief psychotic disorder with postpartum onset
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What is the type of Postpartum Depression that has psychotic symptoms and occurs within 2-3 weeks after birth, lasting up to ?
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looking like a catatonic stupor; resolves rapidly and no deterioration of personality
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What does akinetic mean?
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can resemble manic or catatonic excitement, also resolves rapidly
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What does hyperkinetic mean?
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akinetic and hyperkinetic
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In motility psychosis, an individual can switch between being ______ and ______.
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True However, the duration of the episode in Motility Psychosis is SHORTER than in Schizophrenia
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T or F: Motility Psychosis might be a type of brief psychotic disorder but probably fits better in Schizophrenia.
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akinetic and hyperkinetic
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What are the two forms of motility psychosis?
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True!
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T or F: In contrast to the catatonic type of Schizophrenia, akinetic motility psychosis has a rapidly resolving and favorable course that does not lead to personality deterioration.
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Brief Psychotic Disorder
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Motility psychosis is probably a variant of ___________.
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Anxiety-Blissfulness Psychosis (they have anxiety/depression/and psychosis and then suddenly they just don't anymore)
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What type of Depression is known as a 'periodic state of overwhelming anxiety and paranoia, may be accompanied by hypochondriasis, other depressive symptoms, and hallucinations'?
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blissful
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During the _________ state in Anxiety-Blissfulness Psychosis, patients show expansive behavior and grandiose ideas of how to make people and the world happy.
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Hysteroid Dysphoria 1) giddy responses to romantic opportunities and strong dysphoria (angry/depressive/suicidal) response to romantic disappointment 2) impaired anticipatory pleasure 3) craving for chocolate and sweets
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In what type of depression do you have reverse vegetative signs? What 3 symptoms do you also see in this depression?
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impaired anticipatory pleasure
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An individual is standing in line to get on a rollercoaster and as the person gets closer and closer to the front of the line, he/she is not getting more and more excited. What is this an example of?
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90%
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Depressed persons are at increased risk for suicide. Over ____% of suicides had been diagnosed with depression or other mental disorder.
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1) previous attempt at suicide 2) >45 years old 3) alcohol dependence 4) history of violent behavior 5) male
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Factors which increase the risk of suicide include what?
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4 times, 3-4 times
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Men are _____ times as likely to commit suicide, but women are ______ times more likely (than men) to attempt it.
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Firearms for men, Pills for women
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_______ are the most common method for committing suicide (M=F) but _______ are the most likely method for attempting in women.
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65 years old
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25% of suicides occur when a person is older than ______.
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80%
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_____% of suicides saw their physician in the preceding 6 months (50% or more in the preceding month)
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True when the patient feels better, he/she will have enough energy to do it
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T or F: Suicide attempts often occur as the patient begins to feel better.
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Dentistry
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What profession has the highest suicide rate?
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Bipolar Disorder
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What mood disorder is defined as having both manic and depressive episodes, or just manic episodes?
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A distinct period of an abnormally and persistently elevated, expansive, or irritable mood lasting at least 1 week, or less if hospitalization is required (Criterion A)
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What is mania?
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1 week! (must last a week or longer)
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Mania must last at least __________.
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1 week! (must last less than a week)
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Hypomania cannot last longer than _______.
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Bipolar I disorder and Bipolar II disorder
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What are the two classifications of Bipolar Disorder?
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Bipolar II disorder
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What type of Bipolar disorder involves depressive episodes and hypomanic episodes (not full manic episodes)?
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II
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Bipolar ____ disorder may be under-diagnosed as hypomanic persons may present as having high functioning behavior.
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I
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What type of Bipolar disorder describes the classic bipolar disorder, meaning a full manic episode along with major depressive symptoms?
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A. mood must last at least 1 week, or less if hospitalization is required B. 3 or more of the following: 1) inflated self-esteem or grandiosity 2) decreased need for sleep 3) more talkative than usual 4) flight of ideas 5) distractibility 6) psychomotor agitation or increase in goal-directed activity 7) excessive involvement in pleasurable activities having potential negative outcomes C. Symptoms do not meet criteria for mixed episode D. Symptoms cause clinically significant distress or impairment of functioning (social, etc) E. Symptoms are not due to a medical condition
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What is the DSM-IV-R Criteria for a Manic Episode?
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A. mood must last throughout at least 4 days B. same as for Manic episode C. Episode is associated with a clear change in functioning that in uncharacteristic of the person when not symptomatic D. The disturbance in mood and the change in functioning are observable by others E. Episode is not severe enough to cause marked impairment in social or occupation functioning, or to be hospitalized-->THERE ARE NO PSYCHOTIC FEATURES F. not due to a medical condition
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What is the DSM-IV-R Criteria for a Hypomanic Episode?
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depression
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In Bipolar I, 75% of males and 66% of females start with ____________.
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10-20%
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In Bipolar I, _______% of patients experience ONLY manic episodes
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90%
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____% of patients with a single manic episode will have another.
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Worse
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Does Bipolar I have a better or worse prognosis than Major Depressive Disorder?
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II
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Bipolar ____ is not well studied yet.
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a chronic mood disorder in the depression spectrum that is also known as 'low grade depression' it has less severe symptoms than major depressive disorder but it often lasts longer patients complain 'that they have always been depressed' (i.e. not tied to specific life events) 3x more common in women
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What is Dysthymia?
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less severe; lasts longer
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Dysthymia has ______ severe symptoms than Major Depressive Disorder but often lasts ________.
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WOMEN! 3x more common
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Is Dysthymia more common in men or women?
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Cyclothymia
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Hypothymia + Dysthymia = ?
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A. a depressed mood for most of the day, for more days than not, as indicated either by subjective account or observation by others, for at least 2 years (in children or adolescents, mood can be irritable and less than 1 year duration) B. Presence, while depressed, of two (or more) of the following: 1) poor appetite or overeating 2) insomnia or hypersomnia 3) low energy or fatigue 4) low self-esteem 5) poor concentration or difficulty making decisions 6) feelings of hopelessness
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What is the DSM-IV-R Criteria for Dysthymia?
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a mild form of Bipolar Disorder; episodes of hypomania and mild depression; equal in men and women if twin has it, other twin has ___% chance of developing
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What is Cyclothymia?
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EQUAL FOR BOTH
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Is cyclothymia seen more in men or women?
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Cyclothymia
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A person has episodes of mild depression and hypomania. His condition is like a mild form of Bipolar Disorder. What would you diagnose them as having?
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A. For at least 2 years, the presence of numerous periods of hypomanic symptoms, and depressive symptoms that do not meet criteria for a major depressive episode (duration must be 1 year for children and adolescents) B. During the 2 year period, the person has not been without the symptoms in (A) for 2 months at a time C. No major depressive episode, manic or mixed episode in the 2 year period Remainder is similar to Criterion for Dysthymia (no other medical condition, etc.)
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Criteria for Cyclothymia
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Hospitilization if required (i.e. manic episode), pharmacology for initial treatment (lithium, anticonvulsants, antidepressants), continued treatment to manage condition, substance abuse treatment (if necessary)
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What are some possible treatments for Bipolar Disorder?
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Lithium: effective stabilizer, around a long time, side effects include tremor, weight gain, GI issues; periodic blood tests required for potential liver and thyroid issues Anticonvulsants: may help in some cases such as valproic acid (Depakene) Antidepressants: may work although they might trigger manic episodes, and loss of libido is a side effect)
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What are some pharmacological treatments for Bipolar Disorder?
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for OCD: stereotactic ablation of the anterior cingulum has been effective for drug-resistant OCD for depression: vagal nerve stimulation increases NE and 5-HT; also ECT used for treating depression that is refractive to medication for both OCD and depression: deep brain stimulation
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What are some surgical and other options for treating psychiatric disorders?
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stereotactic ablation of the anterior cingulum for drug-resistant OCD
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What is a possible treatment for OCD that we learned?
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vagal nerve stimulation (increases NE and 5-HT) and ECT
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What are some possible treatments for depression that we learned?
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Electro-convulsive therapy It is fast, effective and safe with a long history of use in depression; very effective in treating depression that is refractive to medication 25-60 sec of current results in a generalized seizure; patient is pre-medicated with anesthetic and muscle relaxant typical course is 5-10 treatments over 2-3 weeks
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What is ECT?