Q. Regarding ECG changes, which is CORRECT? (Solved)
1. hypernatraemia is associated with low voltage complexes
2. the first change in hyperkalaemia is prolongation of QRS
3. with hypokalaemia, the resting membrane potential decreases
4. in hyperkalaemia, the heart stops in systole
5. in hypercalcaemia, myocardial contractility is enhanced
- e. in hypercalcaemia, myocardial contractility is enhanced