Electrolyte Abnormalties and ECG Flashcards
1
Q
Hypokalaemia
ECG changes
Management
A
ECG changes:
T wave flattening
ST sagging
U wave
Management:
- IV potassium
- Replace Magnesium too
2
Q
Hyperkalaemia
ECG Changes
Management
A
Causes: Addisonian crisis (e.g. stop taking steroids)
ECG Changes:
Tall Tented T waves
Bradycardia
Broad QRS complexes
Management:
- Calcium Gluconate to stabilise myocardium
- Insulin and dextrose
- Salbutamol
3
Q
Hypercalcaemia
ECG changes
A
Shortening QT interval
J waves
Not one you really have to worry about
4
Q
Digoxin Toxicity
A
Reverse tick
Increase automaticity because of increase calcium