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== Overview ==
== Overview ==

Latest revision as of 09:57, 25 May 2021

Major depressive disorder Microchapters

Home

Major Depressive Disorder (Patient Information)

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Major depressive disorder from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Substance/Medication-induced Depressive Disorder

Depressive Disorder due to a Medical Condition

Diagnosis

Diagnostic Criteria

History and Symptoms

Physical Examination

Laboratory Findings

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Psychotherapy

ECT

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Follow-up

Follow-Up

Case Studies

Case #1

Major depressive disorder diagnostic study of choice On the Web

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mitra Chitsazan, M.D.[2]

Overview

Major depressive disorder is diagnosed based on the DSM-V Diagnostic Criteria.

Diagnostic Study of Choice

Study of choice

Major depressive disorder is diagnosed based on the DSM-V Diagnostic Criteria: [1]


A. Five (or more) of the following symptoms have been present during the same 2-week period and represent a change from previous functioning: at least one of the symptoms is either (1) depressed mood or (2) loss of interest or pleasure. Note: Do not include symptoms that are clearly attributable to another medical condition.

  • 1. Depressed mood most of the day, nearly every day, as indicated by either subjective report (e.g., feels sad, empty, hopeless) or observation made by others (e.g., appears tearful). (Note: In children and adolescents, can be irritable mood.)
  • 2. Markedly diminished interest or pleasure in all, or almost all, activities most of the day, nearly every day (as indicated by either subjective account or observation).
  • 3. Significant weight loss when not dieting or weight gain (e.g., a change of more than 5% of body weight in a month), or decrease or increase in appetite nearly every day.

(Note: In children, consider failure to make expected weight gain.)

  • 4. Insomnia or hypersomnia nearly every day.
  • 5. Psychomotor agitation or retardation nearly every day (observable by others, not merely subjective feelings of restlessness or being slowed down).
  • 6. Fatigue or loss of energy nearly every day.
  • 7. Feelings of worthlessness or excessive or inappropriate guilt (which may be delusional) nearly every day (not merely self-reproach or guilt about being sick).
  • 8. Diminished ability to think or concentrate, or indecisiveness, nearly every day (either by subjective account or as observed by others).
  • 9. Recurrent thoughts of death (not just fear of dying), recurrent suicidal ideation without a specific plan, or a suicide attempt or a specific plan for committing suicide.

AND

  • B. The symptoms cause clinically significant distress or impairment in social, occupational, or other important areas of functioning.

AND

  • C. The episode is not attributable to the physiological effects of a substance or to another medical condition.

Note: Criteria A-C represent a major depressive episode. Note: Responses to a significant loss (e.g., bereavement, financial ruin, losses from a natural disaster, a serious medical illness or disability) may include the feelings of intense sadness, rumination about the loss, insomnia, poor appetite, and weight loss noted in Criterion A, which may resemble a depressive episode. Although such symptoms may be understandable or considered appropriate to the loss, the presence of a major depressive episode in addition to the normal response to a significant loss should also be carefully considered. This decision inevitably requires the exercise of clinical judgment based on the individual’s history and the cultural norms for the expression of distress in the context of loss.

AND

AND

Note: This exclusion does not apply if all of the manic-like or hypomanic-like episodes are substance-induced or are attributable to the physiological effects of another medical condition.

References

  1. Diagnostic and statistical manual of mental disorders : DSM-5. Washington, D.C: American Psychiatric Association. 2013. ISBN 0890425558.