Relationship of hypomagnesemia to other electrolyte abnormalities Hyperphosphatemia Hypomagnesemia The Internet Book of Critical Care, by @PulmCrit Potential causes of hypomagnesemia Hypercalcemia Potential consequences of hypomagnesemia Hypokalemia (Hypomagnesemia induces renal potassium wasting ) Hypocalcemia (Magnesium is required for normal secretion of parathyroid hormone) Metabolic acidosis - Diabetic ketoacidosis - Starvation ketoacidosis