SN provided teaching regarding hypokalemia. Low potassium (hypokalemia) refers to a lower than normal potassium level in your bloodstream. Potassium helps carry electrical signals to cells in your body. It is critical to the proper functioning of nerve and muscles cells, particularly heart muscle cells. S/s include weakness, muscle cramps, heart palpitations, and constipation. SN instructed that patient should report any of these to her nurse promptly. Verbal understanding noted.