LFTs Flashcards

1
Q

What LFTs would you expect to see in a person with acute hepatitis?

A

ALT/AST in 1000s

ALP mildly raised

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What LFTs would you expect to see in a person with chronic hepatitis?

A

ALT/AST in 100s

Drop in albumin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What LFTs would you expect to see in a person with a biliary obstruction?

A

ALP in 100s
ALT/AST mildly raised
Increase in bilirubin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What LFTs would you expect to see in an alcoholic?

A

Increase in gamma GT

Increase in MCV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What do liver enzymes reflect?

A

Liver injury (not function)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where is ALT found?

A

Liver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Where is AST found?

A

Liver, heart, skeletal muscle, kidneys, pancreas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

If ALT is higher than AST, what does this show?

A

Chronic liver disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

If AST is higher than ALT, then what does this show?

A

Established cirrhosis

Alcoholic liver disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Where can ALP be found?

A

Biliary ducts

Bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is used to confirm whether ALP is of hepatic origin?

A

Gamma GT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

If there is a large increase in ALP (>4 x normal) what does this suggest?

A

Cholestasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

If there is a moderate increase in ALP ( <3 x normal) what does this suggest?

A

Hepatitis

Cirrhosis

Infiltration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the half life of albumin?

A

20 days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

If there is a drop in both albumin and protein, what does this suggest?

A

advanced cirrhosis, alcoholism, protein malnutrition, chronic inflammation, renal/gut/skin loss

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

If there is a drop in albumin, but normal protein, what does this suggest?

A

Infection

17
Q

If there is a drop in albumin and an increase in protein, what does this suggest?

A

Myeloma

18
Q

What is prothrombin time/INR dependant on?

A

Vitamin K-dependant clotting factors and fibrinogen

19
Q

What does a raised INR suggest?

A

Liver disease

Vitamin K deficiency

20
Q

What does macrocytosis suggest?

A

Alcohol

21
Q

What test do you do if someone is suspected to have fatty liver disease?

A

Fasting glucose and lipids

22
Q

When is anti-mitochondrial testing done?

A

Primary biliary cirrhosis suspected

23
Q

When is anti-nuclear testing done?

A

Autoimmune hepatitis type 1

24
Q

What blood test can be done to test for coeliac disease?

A

TTG

25
Q

What test can confirm pancreatitis?

A

Abdominal CT