Blood Chem: Electrolytes Flashcards
When does hypokalemia occur with?
Chronic renal failure, inadequate intake
What is potassium used for?
Important in maintaining normal neuromuscular function
What does hyperkalemia occur with?
Metabolic acidousis, urinary tract obstruction, renal insufficiency
What can elevAte k levels? I hemolysis plasma
What is preferred when testing for hyperkalemia?
What is calcium good for?
Muscular function
Why is it preferred to measure calcium in serum?
It can not be measured in anti coagulated plasma
What can hypocalcemia be seen in?
Eclampsia/puerperal tetany
What is phosphorus important in?
Energy storage
Where is phosphorus seen in?
Cell membrane
When is hyperphosphatenia seen?
In chronic renal failure
When calcium is elevated what happens to phosphorus?
Decreased
What is organic phosphorus?
Found inside rbc
What is inorganic phosphorus?
Found in plasma
What phosphorus do we measure?
Inorganic
What is hypernatremia?
Increased sodium