MSRA: Potassium Flashcards
0
Q
What are the ECG changes in hyperkalaemia?
A
Prolonged pr interval, widened qrs, High t wave leading to ventricular fibrillation
1
Q
What is the immediate/emergency treatment of hyperkalaemia?
A
Reduce K+ effect on the heart by giving IV calcium gluconate to stabilise the cardiac myocyte membranes 10ml 10% IV 5 mins
Shift K+ into ICF by dextrose and insulin IV 10 units in 250ml 10% dextrose
Remove excess K+ by dialysis in refractory
2
Q
What are the ECG changes in hypokalaemia?
A
U waves
Flat T waves
Long PR
Long QT
3
Q
What is the treatment for hypokalaemia?
A
Treat the cause Potassium replacement (IV/oral)
