4- Evaluation of a biochemical panel- part 1

Question 1

Define reference interval

Answer 1

sI defined as Central 95% of the healthy population
- If normal distribution: mean ± 2 standard deviations

Question 2

What does plausibility mean?

Answer 2

Are the results real?

• Results that animal has everything off the scale but is sat there wagging its tail?

Question 3

What 2 techniques can be used when interpreting your results?

Answer 3

Step by step = work methodically down the list or profile of results

Pattern match = used by experienced clinicians - remembering expected pattern of results for diseases

Question 4

What false results can EDTA contamination cause

Answer 4

lower conc of calcium and increased potassium

Question 5

why do normal results have value

Answer 5

rule out possible causes of the presentation
direct further investigations
used as part of the interpretation of the abnormal results