Viral infection causing swelling on liver.
Screening
Hepatitis D (HDV) diagnosis involves detecting evidence of hepatitis D virus infection and confirming the presence of hepatitis B virus (HBV) because HDV requires HBV to replicate.
| Test | Purpose | Interpretation |
|---|---|---|
| Anti-HDV antibody (IgM and total anti-HDV) | Screening test for exposure to hepatitis D virus | Positive indicates HDV infection or past exposure |
| HDV RNA PCR (Nucleic Acid Test) | Detects HDV genetic material in blood | Confirms active HDV infection and measures viral load |
| HBsAg (Hepatitis B surface antigen) | Confirms underlying HBV infection | Must be present for HDV infection |
| Anti-HBc IgM | Helps distinguish acute HBV/HDV coinfection from chronic HBV with HDV superinfection | Indicates recent HBV infection |
| Liver function tests (LFTs) | Assesses liver injury | May show raised ALT, AST, and bilirubin |
| HBeAg / HBV DNA testing | Evaluates HBV activity | Helps assess HBV status alongside HDV |
| Liver fibrosis assessment (FibroScan, ultrasound) | Evaluates liver damage and cirrhosis risk | Used in chronic infection monitoring |
Diagnostic patterns
1. Acute HBV + HDV coinfection
2. HDV superinfection (HDV infection in chronic hepatitis B)
ChatGPT can make mistakes, the purpose of the table and information above are for the diagnostic tools available only
Then within 2-5 days the infection will trigger the build-up of bilirubin (an orange-yellow pigment produced when the liver breaks down old red blood cells).
Further symptoms include (if these symptoms occurs one needs urgent medical advice):
And/or do not wait, phone for an ambulance if have or develop:
This condition can lead to:
This condition may show similar symptoms to:
Please talk to your healthcare professional (i.e. Medical Doctor/Pharmacist) for further advice
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