Hypokalemia

lower than normal concentration of potassium in peripheral blood; occurs in familial periodic paralysis and in potassium depletion due to excessive loss from the gastrointestinal tract or kidneys

Description
The changes of hypokalemia may include vacuolation of renal tubular epithelial cytoplasm with impairment of urinary concentrating power and acidification, flattening of the T wave of the electrocardiogram, and muscle weakness. Syn hypopotassemia