Fluid balance -- Electrolyte balance -- Acid-base balance -- Fluid imbalances -- Sodium imbalances -- Potassium imbalances -- Magnesium imbalances -- Calcium imbalances -- Phosphorus imbalances -- Chloride imbalances -- Acid-base imbalances -- Disorders that cause imbalances -- Heart failure -- Respiratory failure -- Excessive GI fluid losses -- Renal failure -- Burns -- I.V. fluid replacement therapy -- Total parenteral nutrition -- Blood products.