Liver Function Tests Flashcards
Which two tests and key for intrehepatic measurements?
ALT
AST
Which tests are key for a cholestatic picture
ALP
Bilirubin
Which marker falls in hepatic decline?
Albumin
Which test goes up in bone damage and pregnancy?
ALP
Which test shows long term alcohol abuse?
GGT
When does unconjugated bilirubin rise?
If there is an increase in haemolysis or a hepatic block
When does conjugated bilirubin arise?
- Blockage in the biliary tree
What would indicate an acute hepatic problem?
A huge rise in ALT x10+
What would indicate a chronic hepatic problem
A rise in ALT x5
What is the tumour marker for hepatic cancer?
AFP
What would happen to the clotting test times in liver disease?
They would rise
PT (INR)
APTT
TT
What test would you do for suspected haemochromotosis and what are the symptoms?
- Arthritis
- Liver disease
- DM
- Hyperpigmentation
FERRITIN
What could cause an acute rise in ALT?
Hepatitis
Overdose (Paracetamol, toadstools)
ALD
Ischaemia
Trauma
What could cause an chronic rise in ALT?
Hep B and C
ALD
Autoimmune
Haemochoromotosis
Fatty Liver
What additional tests may you want to do when investigating liver function?
- Serology
- Antibodies
- MRI/CT