potassium homeostasis Flashcards

1
Q

normal K

A

3.5-5.5 mmol/L

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2
Q

finding on ekq with hypokalemia

A

incr in amplitude of U waves

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3
Q

in tx of hypokalemia, IV dose of K+ should not exceed____

A

10/20 mmol/hr

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4
Q

preferred tx for hypokalemia

A

KCl

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5
Q

on EKG, ___kalemia results in U wave, and ____kalemia results in widened QRS

A

hypokalemia; hyperkalemia

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6
Q

wat is the first change that you can see in a patient with hyperkalemia?

A

tall peaked symmetrical T wave

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7
Q

what is the best initial tx for severe hyperkalemia?

A

calcium

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8
Q

Ca should not be mixed with what?

A

HCO3

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9
Q

moderate hyperkalemia + metabolic acidosis

A

NaHCO3

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10
Q

what is the fastest and most efficient means to lower serum potassium?

A

dialysis

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