Clinical depression pathophysiology

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Clinical Depression Microchapters

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Patient Information

Major Depressive Disorder (Patient Information)

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Clinical Depression 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

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Diagnostic Criteria

History and Symptoms

Physical Examination

Laboratory Findings

Other Imaging Findings

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Treatment

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ECT

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Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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Overview

The exact pathogenesis of major depressive disorder is not fully understood. However, it is thought that major depressive disorder is the result of decreased levels of serotonin, norepinephrine, and dopamine.

Pathophysiology

OR

  • It is understood that [disease name] is the result of / is mediated by / is produced by / is caused by either [hypothesis 1], [hypothesis 2], or [hypothesis 3].
  • [Pathogen name] is usually transmitted via the [transmission route] route to the human host.
  • Following transmission/ingestion, the [pathogen] uses the [entry site] to invade the [cell name] cell.
  • [Disease or malignancy name] arises from [cell name]s, which are [cell type] cells that are normally involved in [function of cells].
  • The progression to [disease name] usually involves the [molecular pathway].
  • The pathophysiology of [disease/malignancy] depends on the histological subtype.

Genetics

[Disease name] is transmitted in [mode of genetic transmission] pattern.

OR

Genes involved in the pathogenesis of [disease name] include:

  • [Gene1]
  • [Gene2]
  • [Gene3]

OR

The development of [disease name] is the result of multiple genetic mutations such as:

  • [Mutation 1]
  • [Mutation 2]
  • [Mutation 3]

Associated Conditions

Conditions associated with [disease name] include:

  • [Condition 1]
  • [Condition 2]
  • [Condition 3]

Gross Pathology

On gross pathology, [feature1], [feature2], and [feature3] are characteristic findings of [disease name].

Microscopic Pathology

On microscopic histopathological analysis, [feature1], [feature2], and [feature3] are characteristic findings of [disease name].


Image

Brain chemicals called neurotransmitters allow electrical signals to move from the axon of one nerve cell to the neuron of another. A shortage of neurotransmitters impairs brain communication.

References

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