Understanding Acid Base Disorders Flashcards
How much extra acid can the kidney excrete per day?
300-400 mmol over normal
What is the henderson-hasselbach equation (modified for physiology)
pH = 6.1 + log([HCO3]/pCO2)
Expected compensation for respiratory acidosis
acute
1 mM increased bicarb / 10 mmHg rise in pCO2
chronic
3 mM increase bicarb / 10 mmHg rise in pCO2
expected compensation for respiratory alkalosis
acute
2 mM increased bicarb / 10 mmHg rise in pCO2
Chronic
5 mM increase bicard / 10 mmHg rise in pCO2
expected compensation for metabolic alkalosis
0.6 mmHg rise in pCO2 / 1 mM increase in bicarb
expected compensation for metabolic acidosis
1.2 - 1.5 mmHg rise in pCO2 / 1 mM increase in bicarb
standard level of bicarbonate
25 mM
standard anion gap
14 mM
anion gap equation
[Na] - [Cl] + [HCO3]