Hypo/hyperkalemia
1. Description of the problem What every clinician needs to know Potassium (K) is a major intracellular cation. Kidneys eliminate 85-90% of daily K excretion. Normal serum K is between 3.5-5.5mEq/L. Hypokalemia is a serum K concentration of less than 3.5mEq/L. Hyperkalemia is a serum concentration of greater than 5.5mEq/L. Common causes of hypokalemia: G.I.…