IV potassium Flashcards
1
Q
When is IV potassium indicated for use?
A
- Prevention of potassium depletion
- Treatment of hypokalaemia that is severe
2
Q
What is the normal potassium requirement of an individual per day?
A
1 mmol/kg/day
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
4
Q
What are adverse effects of IV potassium?
A
- Hyperkalaemia
- Arrythmias
- Irritation to the veins
5
Q
What is the maximum rate of administration of potassium?
A
20 mmol/hr
6
Q
What monitoring would you want to do for administering IV potassium?
A
SErial potassium measurements
7
Q
What is hypokalaemia often associated with?
A
Hypomagnasaemia - always check and prescribe accordingly
