By watching this video, you can appreciate the importance of Magnesium in the body fluids. It discusses the physiological mechanism of magnesium homeostasis and explains the conditions of hypomagnesemia and hypermagnesemia in detail. Timeline: 0:20 Magnesium Physiology 1:35 Homeostasis of Magnesium 2:15 Renal regulation of Magnesium 3:20 Clinical manifestations of Hypomagnesemia 5:05 Etiologies of Hypomagnesemia 6:17 Renal Losses 7:18 Gitelman syndrome 8:09 Diagnostic evaluation of Hypomagnesemia 9:05 Treatment of Hypomagnesemia 11:02 Clinical manifestations of Hypermagnesemia 11:57 Renal and other etiologies of Hypermagnesemia 13:24 Diagnostic evaluation of Hypermagnesemia 13:48 Treatment of Hypermagnesemia