Acid-Base Disorders

Question 1

How do you calculate the expected degree of respiratory compensation for metabolic acidosis and alkalosis?

Answer 1

Acidosis: PCO2 = 1.5 x bicard + 8

Alkalosis: PCO2 = 0.7 x bicarb + 20

Question 2

How do you calculate an anion gap?

Answer 2

Na - (Cl + HCO3)

Question 3

RTA type 2 causes what type of acidosis? What is the electrolyte lost?

Answer 3

normal anion gap metabolic acidosis

HCO3

Question 4

What acid base abnormality can occur from diuretic use? What diuretics classically cause this?

Answer 4

metabolic alkalosis

loop and thiazide diuretics