Before I conclude the discussion of sodium and potassium, it might be useful to describe some of the clinical symptoms of electrolyte imbalance. Interestingly enough, they are very similar for low-sodium, low-potassium, and high-potassium states. They include muscle weakness, nausea, anorexia, and mental changes, which usually tend toward drowsiness and lethargy. The electrocardiogram (ECG) in […]