Hyperkalaemia

Causes 

Medications	ACEis ARBs Potassium sparing diuretics Trimethoprim Beta blockers Suxamethonium
Acute Conditions	AKI Metabolic acidosis Rhabdomyolysis Tumour lysis syndrome Burns Hypoaldosteronism Type IV renal tubular acidosis
Pseudo-hyperkalaemia	Test tube haemolyiss Prolonged tourniquet time Marked leucocytosis haemolysis Drip arm sample

 

• Treat if 6.5 mmol/L or if any ECG changes
• Widening QRS, tall tented T waves, prolonged PR, flattened P waves

 

• Insulin - drives potassium from extracellular space in
• Dextrose to prevent hypoglycaemia when insulin is given
• Calcium gluconate - stabilised the cardiac membrane