Electrolytes: Minerals in the body fluids that carry an electric charge and are essential for life processes, including nerve signaling and muscle contraction.
ECG (Electrocardiogram): A test that measures the electrical activity of the heart to detect cardiac problems, which can be affected by hypokalemia.
Diuretics: Medications that help the body expel water and salt, which can sometimes lead to decreased potassium levels in the blood