Magnesium

Question 1

What is a side effect of magnesium?

Answer 1

Diarrhea

Question 2

Usually Iv magnesium is given in ?

Answer 2

Acute asthma
Torsa de pointed
Prevent seizures in pre eclampsia

Question 3

Cause for hypomagnesia?

Answer 3

Diuretics
PPI !
Diarrhea
Alcohol excess
Hypokalemia
HYPERCALCEMIA due to hyperparathyroidism - as calcium and magnesium compete to be reabsorbed in the thick ascending loop
Amphotercin B

Metabolic
BARTTERS syndrome - salt wasting tubulopathy
Gitelman syndrome - AR salt loosing tubulopathy -LOSS OF MOSTLY ALL IONS

Question 4

What’s re some of the symptoms of hypo magnesia ?

Answer 4

paraesthesia
tetany
seizures
arrhythmias

Question 5

Tx of hypomagensia ?

Answer 5

<0.4 mmol/L or tetany, arrhythmias, or seizures
intravenous magnesium replacement
40 mmol of magnesium sulphate over 24 hours

> 0.4 mmol/l
oral magnesium salts (10-20 mmol orally per day in divided doses)
diarrhoea can occur with oral magnesium salts