Investigations: Electrolytes and ABGs Flashcards
1
Q
What electrolyte imbalances can cause long QT
A
Hypocalcaemia
Hypokalemia
Hypomagnesiamia
Hypothermia
2
Q
Causes of NAGMA (hyperchloraemic metabolic acidosis)
A
- GI bicarbonate loss (diarrhoea, fistula)
- Renal tubular acidosis
- Addison’s disease (adrenal insufficiency)
Others: drugs, ammonium chloride
3
Q
Causes of HAGMA
A
- Lactic acidosis: sepsis, shock, hypoxia, metformin
- Ketoacidosis: DKA, alcohol
- Urate: renal failure
- Acids: salicylates, metanol