Diagnostics 1 - Introduction and Chemical Pathology Lab Flashcards Preview

Year 2 Collin > Diagnostics 1 - Introduction and Chemical Pathology Lab > Flashcards

Flashcards in Diagnostics 1 - Introduction and Chemical Pathology Lab Deck (14)
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1
Q

What is ESR? If high, what is it a marker for?

A

Erythrocyte Sedimentation Rate. Marker for infection or inflammation if high

2
Q

What does U&Es stand for?

A

Urea and Electrolytes.
4 components =
Creatinine, Sodium, Potassium, Urea

3
Q

Stools are examined with MCS. What is MCS?

A

Microscopy, Culture, Sensitivity

4
Q

What LFT shows a good liver?

A

Albumin

5
Q

What is the poison used to prevent red cells from using glucose? (anaerobic glycolysis)

A

Fluoride oxalate

6
Q

Low sodium and high potassium? What could it be?

A

Primary Adrenocortical failure

7
Q

High potassium readings, what must you be careful of?

A

Haemolysis (damage to RBCs, which causes them to leak K). May occur during extraction of blood, etc

8
Q

Urea and creatinine test which organ?

A

Kidney function

9
Q

What 2 concentrations of substances rise in renal failure?

A

Urea and creatinine

10
Q

What is creatinine a marker for?

A

GFR. Very little creatinine is absorbed or secreted by tubules

11
Q

Urea rises when the patient is?

A

Dehydrated. GFR will stay the same though

12
Q

What 4 things are tested in LFTs?

A
  1. Albumin (synthesised in liver)
  2. Bilirubin
  3. Alkaline Phosphatase (ALP)
  4. ALT (alanine-amino-transferase)
13
Q

If a patient has jaundice, in addition to LFT, what other things would have to be measured?

A

AST and GGT

14
Q

What are the cardiac enzymes?

A
  1. Troponin
  2. Creatine Kinase
  3. Aspartate aminotransferase (AST)
  4. Lactate dehydrogenase (LDH)

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