potassium homeostasis Flashcards
1
Q
normal K
A
3.5-5.5 mmol/L
2
Q
finding on ekq with hypokalemia
A
incr in amplitude of U waves
3
Q
in tx of hypokalemia, IV dose of K+ should not exceed____
A
10/20 mmol/hr
4
Q
preferred tx for hypokalemia
A
KCl
5
Q
on EKG, ___kalemia results in U wave, and ____kalemia results in widened QRS
A
hypokalemia; hyperkalemia
6
Q
wat is the first change that you can see in a patient with hyperkalemia?
A
tall peaked symmetrical T wave
7
Q
what is the best initial tx for severe hyperkalemia?
A
calcium
8
Q
Ca should not be mixed with what?
A
HCO3
9
Q
moderate hyperkalemia + metabolic acidosis
A
NaHCO3
10
Q
what is the fastest and most efficient means to lower serum potassium?
A
dialysis