Magnesium

Question 1

What is the primary indication for Magnesium Sulphate in the context of the SA Ambulance Service?

Answer 1

Severe or life-threatening asthma

Administered in accordance with DMO-020 guidelines

Question 2

What routes of administration are used for Magnesium Sulphate?

Answer 2

IV/IO

Intravenous/Intraosseous

Question 3

What patient factor is critical for administering Magnesium Sulphate?

Answer 3

Severe asthma unresponsive to other treatment

Question 4

To what concentration should Magnesium Sulphate be diluted?

Answer 4

At least 200 mg/mL (0.8 mmol/mL)

In accordance with infusion calculator

Question 5

What is the recommended infusion rate for Magnesium Sulphate over 20 minutes?

Answer 5

150 mL/hr via driver or just under 2 drops/sec via 100 mL saline bag

Question 6

What adverse effect is associated with too rapid infusion of Magnesium Sulphate?

Answer 6

Hypotension

Question 7

What should be done to ensure the entire dose of Magnesium Sulphate is delivered?

Answer 7

Flush residual drug in giving set line at the same rate

Question 8

What method should be used for IO infusions of Magnesium Sulphate without a driver?

Answer 8

Syringe method of administration per CPPro-015

Question 9

What should be done if a patient experiences adverse effects during Magnesium Sulphate infusion?

Answer 9

Slow infusion rate

Question 10

List some adverse effects related to hypermagnesaemia.

Answer 10

• Loss of deep tendon reflexes
• Respiratory depression
• Hypotension
• Bradycardia
• CNS depression
• Flushing

Question 11

True or False: Magnesium Sulphate can be infused rapidly without risk.

Answer 11

False

Question 12

Fill in the blank: Adverse effects such as distress and flushing may occur during _______.

Answer 12

infusion

Question 13

What should be done if considering a repeat dose of Magnesium Sulphate?

Answer 13

Consult