IV potassium Flashcards

1
Q

When is IV potassium indicated for use?

A
  • Prevention of potassium depletion
  • Treatment of hypokalaemia that is severe
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2
Q

What is the normal potassium requirement of an individual per day?

A

1 mmol/kg/day

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3
Q

Why should potassium be given with sodium chloride in situations of severe potassium depletion rather than glucose?

A

Negatively charged chloride ions promote retention of K+ in the serum for longer, whereas glucose promotes insluin secretion, resulting in potassium shifting into the cells

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4
Q

What are adverse effects of IV potassium?

A
  • Hyperkalaemia
  • Arrythmias
  • Irritation to the veins
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5
Q

What is the maximum rate of administration of potassium?

A

20 mmol/hr

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6
Q

What monitoring would you want to do for administering IV potassium?

A

SErial potassium measurements

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7
Q

What is hypokalaemia often associated with?

A

Hypomagnasaemia - always check and prescribe accordingly

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