13.09.09 Gastroenterology notes

LFTs

    • AST more than double ALT suggests an alcoholic aetiology

    • ALT more than AST suggests Hepatitis or NAFLD

Causes of a raised INR

    • Warfarin

    • Liver disease

    • Vitamin K deficiency

      • Check by giving them Vit K

    • Clotting factor deficit

Notes

    • Propanolol for portal hypertension

    • Portal hypertension => Splenomegaly => Low platelets