Hypocalcaemia Flashcards
1
Q
what is it?
A
when the serum corrected calcium is <2.2. mmol/L
2
Q
what causes it?
A
CKD - chronic kidney disease
vitamin D deficiency
thyroidectomy
hypoparathyroidism
3
Q
how does it present?
A
paraesthesia - fingers, toes, perioral muscle cramps, tetany muscle weakness fatigue bronchspasm or laryngospasm fits Chovsteks sign (tapping over facial nerve) Trousseau sign (carpopedal spasm) ECG: QT prologation
4
Q
how is acute hypocalcaemia managed?
A
it is an emergency
IV calcium gluconate 10ml, 10% over 10 mins (in 50ml saline or dextrose)
Infusion (10ml 10% in 100ml infusate at 50ml/hr)
