Case Presentation: Hypermagnesemia is a rare but serious condition associated with impaired renal function. We report a case of bradycardia with hypothermia secondary to hypermagnesemia from consumption of milk of magnesia (MgOH2) in a patient with end-stage kidney disease (ESKD). A 52-year-old man with ESKD on emergent hemodialysis, diabetes mellitus, hypertension, and hyperlipidemia presented for [...]