Jarreau Clinical Chemistry - Acid-Base Balance Flashcards
1
Q
Define the Henderson-Hasselbalch equation.
A
Logarithmic equation of ionization constant equation of a weak acid.
2
Q
What is Henderson-Hasselbalch formula?
A
pH = pKa + log ([HCO3]/[H2CO3])
3
Q
What is the ideal ration for the Henderson-Hasselbalch equation?
A
20/1
4
Q
In the Henderson-Hasselbalch equation, pH is proportional to:
A
log (HCO3/pCO2) = kidney/lungs = metabolic/respiratory
5
Q
What additive is best for pH and blood gas studies?
A
Sodium heparinate (heparin)
6
Q
A