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Question 5
•Which of the following statements regarding hyperkalemia is FALSE
A.Leukocytosis may cause a pseudo-hyperkalemia
B.Calcium chloride should be given for severe cases of hyperkalemia
C.Kayexalate will not work for patients who have had a colon resection
D.Inhaled albuterol can be used to treat hyperkalemia
E.The effects of hyperkalemia are decreased inpatients with hyperglycemia
Answer & Comments
•E
•Comments:
–Hemolysis, Leucocytosis, and thrombocytosis all can produce a pseudo-hyperkalemia.
–Effects of hyperkalemia are more pronounced in patients with concomitant hyponatraemia and hypocalcemia.
–There are many different ways to treat hyperkalemia.
•Kayexalate (sodium polystyrene sulfonate) is an ion-exchange resin that works in the distal colon to extract potassium.
•High dose inhaled albuterol is a useful temporizing measure to move potassium into the intracelluar space.
•Glucose with insulin can also cause a temporary shift of potassium into the intracellular space.
•Sodium bicarbonate causes an alkalosis that tends to reduce serum potassium levels.
•Calcium (preferably CaCl because of the higher concentration of calcium) stabilizes the cell membrane.
•Dialysis should be used to rapidly remove potassium when the hyperkalemia is severe.
•Which of the following statements regarding hyperkalemia is FALSE
A.Leukocytosis may cause a pseudo-hyperkalemia
B.Calcium chloride should be given for severe cases of hyperkalemia
C.Kayexalate will not work for patients who have had a colon resection
D.Inhaled albuterol can be used to treat hyperkalemia
E.The effects of hyperkalemia are decreased inpatients with hyperglycemia
Answer & Comments
•E
•Comments:
–Hemolysis, Leucocytosis, and thrombocytosis all can produce a pseudo-hyperkalemia.
–Effects of hyperkalemia are more pronounced in patients with concomitant hyponatraemia and hypocalcemia.
–There are many different ways to treat hyperkalemia.
•Kayexalate (sodium polystyrene sulfonate) is an ion-exchange resin that works in the distal colon to extract potassium.
•High dose inhaled albuterol is a useful temporizing measure to move potassium into the intracelluar space.
•Glucose with insulin can also cause a temporary shift of potassium into the intracellular space.
•Sodium bicarbonate causes an alkalosis that tends to reduce serum potassium levels.
•Calcium (preferably CaCl because of the higher concentration of calcium) stabilizes the cell membrane.
•Dialysis should be used to rapidly remove potassium when the hyperkalemia is severe.
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