Magnesium

Question 1

What is the importance of magnesium in the body

Answer 1

It is a co-factor in enzyme systems that include protein synthesis, muscle and nerve function, blood glucose control and blood pressure regulation. It is also required for energy production, oxidative phosphorylation and glycolysis. Skeletal development of bone and synthesis of DNA. Also involved in transport of calcium and potassium

Question 2

What are some causes of hypomagnesaemia

Answer 2

Inadequate magnesium intake and absorption, increased excretion due to hypercalcaemia.
Diabetes, alcoholism and use of diuretics

Question 3

Where can magnesium be of theraputic use

Answer 3

• Acute Myocardial Infarctions
• Arrhythmias (shown to be associated with hypomagnesaemia)
• Cardiac surgery (hypomagnesaemia is common after cardiopulmonary bypass surgery)
• Neuromuscular block,
• Asthma
• Eclampsia and pre-eclampsia