Hepatitis Flashcards
- Transmitted through consumption of contaminated water or food, and fecal-oral route to include certain sex practices.
- Infections are typically mild and acute, with most making a full recovery & gaining lifelong immunity.
- Most people in areas of the world with poor sanitation have been infected with this virus.
Hepatitis A (HAV)
- Transmitted through exposure to infective blood, semen, body fluids, contaminated blood products, and IV drug use
Hepatitis B (HBV)
Transmitted through exposure to infective blood, contaminated blood & blood products, and IV drug use. Sexual transmission is possible but less common.
Hepatitis C (HCV)
- Infections occur only with HBV infection.
- Dual infection of HBV result in a more serious disease and worse outcome.
Hepatitis D (HDV)
Which vaccine provides protection from HDV infection?
Hep B vaccination
- Transmitted through consumption of contaminated water or food.
- Common cause of hepatitis outbreaks in developing nations.
- Vaccines exist but are not widely available.
Hepatitis E (HEV)
Inflammation of the liver from infection, toxins, autoimmune diseases, metabolic disorders
Hepatitis
- Typically an acute illness that many children in developing nations are infected by and remain asymptomatic. Chronic infection does not occur
Hep A
Can both remain dormant in the liver and cause chronic hepatitis & hepatocellular carcinoma
HBV & HCV
Presentation:
- Fatigue, fever, muscle/joint pains, runny nose, pharyngitis, abdominal pain, nausea, vomiting, anorexia.
- Within 1-3 weeks, jaundice & RUQ pain develops
- Secondary to the virus infecting & killing hepatocytes
- Hepatocytes death releases liver enzymes in the blood
- Hepatic dysfunction leads to increased bilirubin & jaundice
Hepatitis
Physical findings:
- Low-grade fever
- Hepatomegaly with Liver tenderness
- Jaundice & Scleral icterus
- Right upper quadrant abdominal pain.
- Dark or brown colored urine
- Gray/clay colored stool
Hepatitis
Labs for Hepatitis
- Hepatitis panel: testing for presence of IgM and IgG and for specific components of viral hepatitis confirms diagnosis
- WBC: Normal to low.
- UA: Proteinuria and dark urine (bilirubinuria)
- Liver function Test (LFT)
- Complete Metabolic Panel (CMP): Elevation in bilirubin and alkaline phosphates.
Treatment of Hepatitis
- Supportive/palliative interventions & patient
monitoring. - Med Advice for further recommendations.
- Patient will require Medevac as soon as operational
conditions allow, however, typically does not require
emergent evacuation. - Ensure proper hydration & nutrition, and place patient SIQ
Prevention of Hepatitis
- Vaccinations
- Proper hygiene and handwashing
- Appropriate use of PPE and following procedures to avoid needle sticks
- Use of condoms if participating in risky sexual activity.
Disposition of hepatitis
Patients should be placed on a light-duty/bed-rest status based on the severity of the disease, and evacuated to definitive care as soon as possible for serious cases.