Hypomagnesemia

Question 1

Causes

• most common
• drug
• GI
• endocrine

Answer 1

Most common - dietary insufficiency

Drug - thiazide, loop, PPIs, ciclosporin, cisplatin, aminoglycosides

GI - UC, Crohns, Coeliac

DKA

Question 2

When do symptoms occur

Answer 2

Often non specific, occur when U0.5 (moderate, severe)

Question 3

Management

• mild deficiency
• moderate/severe
• arrythmias

Answer 3

Mild - PO Mg
Moderate/severe - IV MgSO4

Cardiac arrythmias => emergency