Hypomagnesaemia Flashcards
Causes:
GI loss or deficiency - list some examples?
What drunk to excess could cause this?
Malnutrition Laxative abuse Diarrhoea IBD GE Coeliac Disease
Alcohol
This is commoner than hypermagnesemia!!!
Magnesium physiology:
Where is most Mg stored?
What is it’s main role?
What other electrolytes does it tend to follow the same route as?
Bone
Basic cellular processes, including anything involved with ATP
Ca and K
Neurological symptoms:
Why do they get neuromuscular excitability?
What are some symptoms of this?
Hypomagnesaemia causes hypocalcaemia which causes neuromuscular excitability.
Paraesthesia Fasciculation s Seizures Tetany Personality change
What systemic effects does it have?
Anorexia
Vomiting
Fatigue
Investigations:
What other electrolytes would you test for?
Magnesium
Calcium
Phosphate
Potassium
Rx is just PO/IV Mg
Rx is just PO/IV Mg