CA - Complete metabolic panel - Liver function test (NOT TESTED)

Question 1

What are liver function tests, or LFTs?

Answer 1

• set of tests that check the health of the liver by measuring the enzymes and other substances made by the liver

Question 2

When are liver function tests used?

Answer 2

1. when there are signs or symptoms of altered liver function:
   - fatigue, nausea, vomiting, right upper quadrant pain, or jaundice
2. when monitoring clients with acute or chronic liver disease
3. when checking liver function tests in clients taking hepatotoxic medications.

Question 3

What are the nursing managements for patients with altered LFTs?

Answer 3

Goals of nursing care: assist in identifying & treating any underlying cause.

1. Collect a sample by venipuncture
   - before collecting -> cnfm if they should be fasting before the test
   - use a tube with a red top
   - After obtaining sample, gently invert several times but dont shake the tube as this will cause hemolysis or breaking apart of the red blood cells -> alter results
2. If your client has elevated LFT:
   - assess for signs of liver injury: RUQ abdominal pain, fatigue, nausea, or jaundice.
3. Check for other symptoms that indicate impaired liver function:
   - easy bleeding or bruising could be related to decreased clotting factors
   - If present: check prothrombin time, or PT, & international normalized ratio, or INR.
4. If edema is present
   - check albumin level
   - withhold any potentially hepatotoxic medications
   - administer IV fluids and medications to treat the underlying cause, as prescribed.
5. Review their medication record to identify medications that can interfere with their test results
   - acetaminophen, allopurinol, phenobarbital, phenytoin, oral contraceptives, salicylates, and statins.