One cause of hyper calemia is you, in jest, too much potassium and y no, bananas just well known. Anything above five milli moles per leder of potassimum in the blood causes hypoclemia. Eldostrone gets released from the drenal gland on the kidneys - it's not as bad as people think. It re absorbs sodium into the body, but has to exchange it for either potassium or hydrogen irons.