Gastroenterology Book

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Hepatitis DAka: Delta Agent

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  1. See Also
    1. Viral Hepatitis
    2. Hepatitis B
  2. Epidemiology
    1. Endemic Hepatitis B
      1. Mediterranean basin
      2. South America
    2. Percutaneous spread via Intravenous Drug Abuse
    3. Transfusion (e.g. Hemophilia)
  3. Pathophysiology
    1. Defective 37 nm RNA virus
    2. Requires Hepatitis B Virus for replication
    3. Enhances severity of Hepatitis B infection
    4. Transmission
      1. Coinfection with Hepatitis B
      2. Superinfection of a Hepatitis B Carrier
  4. Differential Diagnosis
    1. Acute Hepatitis Causes
  5. Labs
    1. Hepatitis D Serology (xHDV)
      1. Higher titers suggest chronic Hepatitis D
  6. Management
    1. See Chronic Hepatitis B Infection
  7. Complications
    1. Fulminant Hepatitis
    2. Chronic Hepatitis
    3. Cirrhosis
  8. Prevention
    1. Hepatitis B Vaccine for Non-Carriers of Hepatitis B

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