​Surgery Definition - What are the causes of hyperkalemia?

The common causes of hyperkalemia may include excessive potassium ingestion, massive blood transfusion, ingestion of banana, acidosis, hypoaldosteronism, Addison's disease, potassium sparing diuretics intake / spironolactone intake, oliguria, destruction of the tissue due to burn or rhabdomyolysis or suxamethonium effect ( suxamethonium is an inducing agent which is commonly used in anaesthesia.