Hepatitis A Flashcards
What is the typical history associated with hepatitis A?
Fever, fatigue, nausea, vomiting, abdominal pain. Dark urine, pale stools, jaundice. History of travel to endemic areas or consumption of contaminated food/water.
What are the key physical examination findings in hepatitis A?
Jaundice, hepatomegaly. Tenderness in the right upper quadrant. Possible mild splenomegaly.
What investigations are necessary for diagnosing hepatitis A?
Elevated liver enzymes (ALT, AST). Positive anti-HAV IgM antibodies. Elevated bilirubin levels.
What are the non-pharmacological management strategies for hepatitis A?
Rest and hydration. Avoid alcohol and hepatotoxic drugs. Good personal hygiene and sanitation practices.
What are the pharmacological management options for hepatitis A?
No specific antiviral treatment. Symptomatic treatment with antiemetics and analgesics (avoid acetaminophen). Consider prophylactic immune globulin for close contacts.
What are the red flags to look for in hepatitis A patients?
Severe abdominal pain, persistent vomiting. Signs of acute liver failure: confusion, severe jaundice, bleeding tendencies. Signs of dehydration.
When should a patient with hepatitis A be referred to a specialist?
Signs of acute liver failure. Severe or prolonged symptoms. Underlying liver disease or immunocompromised state. Pregnant women with severe symptoms.
What is one key piece of pathophysiology related to hepatitis A?
Caused by hepatitis A virus (HAV), a picornavirus. Transmitted via the fecal-oral route. Virus replicates in hepatocytes, causing liver inflammation and jaundice.