7.1 Liver Pathology 1 Flashcards
What are the 3 main functions of the liver
storage
synthetic
metabolic
what is stored in the liver?
glycogen
vitamins
iron
copper
what is synthesised in the liver
glucose lipids/cholesterol bile clotting factors albumin
what is metabolised in the liver?
bilirubin ammonia drugs alcohol carbohydrate lipids
What is decompensated liver disease?
Acute liver failure with no previous history of liver pathology
what can cause acute liver failure?
alcohol
paracetamol
viral - EBV, CMV, Hepatitis
Medications
what are symptoms of liver disease?
jaudice
oedema/ascites
bleeding/easy bruising
confusion
why do patients with liver disease appear confused?
impaired ability to metabolise ammonia, hyperammonemia
what is cirrhosis?
permanent irreversible liver damage
what happens to the appearance of a liver with cirrhosis?
nodules on surface due to strict bands of fibrous tissue formed by repeated inflammation.
what are the 5 main differentials for liver cirrhosis?
drugs infection deposition of fat autoimmune other
what drugs cause cirrhosis?
medications (iatrogenic) - aspirin in children
alcoholic liver disease
paracetamol overdose
what is the difference between alcoholic liver disease and alcoholic hepatitis?
alcoholic liver disease can occur in week and may be reversible. Alcoholic liver disease can lead to Alcoholic hepatitis if not resolved.
Alcoholic hepatitis takes years to occur and is irreversible. Can see presence of inflammatory cells in liver and cirrhosis
what are the presenting symptoms of alcoholic liver disease?
hepatomegaly
fatty deposits on liver
what are the sings/symptoms of alcoholic heptitis?
RUQ pain, jaundice, hepatomegaly, ascites, oedema