Lab and blood gases Flashcards
1
Q
Which are the body’s main intracellular buffers?
A
Proteins
Phosphates
Haemoglobin
2
Q
Which are the body’s main extracellular buffers?
A
Plasma proteins
Bicarbonate
3
Q
What is the normal concentration of bicarbonate in blood?
A
21-27
4
Q
What are normal values of pCO2?
A
4,8-5,3 kPa
5
Q
What are normal values of O2?
A
> 12 kPa
6
Q
How can anion gap be calculated?
A
[Na] - [HCO3] + [Cl-] Should be
7
Q
What is the causes of metabolic acidosis with increased anion gap?
A
Methanol Ethylen glycol Diabetes KA Isonazid Cachexia Alcohol Lactic acidosis Toluene Renal failure/rhabdomyolysis Iron Paraldehyd Salicylater
8
Q
Metbol acidos med normalt anion gap?
A
Diuretika Intestinal fistula Acetozolamid Renal tubulär acidos Renal failure Hypoaldosteronism Oral resin Enteroureterostomi Alimentary feeding
9
Q
What does a low MCHC imply?
A
Low hemoglobin level/erytrocyte
Impaired synthesis, pale erytrocytes.
10
Q
What is D-dimer?
A
A fragment generated when cross linked fibrin in in thrombi is broken down by plasmin..
