Case Presentation: A 62-year-old man with a history of diabetes presented to the emergency department with altered mental status (AMS) and increased urinary frequency. The patient was conscious but oriented only to self. Initial evaluation revealed hyponatremia (serum sodium: 125 mmol/L) with mild hyperglycemia (186 mg/dL). Further assessment of hyponatremia showed a serum osmolality of [...]

Case Presentation: An 84-year-old male with a past medical history of hypertension, type two diabetes mellitus, and left herpes zoster ophthalmicus treated three months prior presented to the hospital with two days of worsening confusion and altered mentation. Initial Computed Tomography (CT) of the head revealed no evidence of acute infarction. Initial serologic workup revealed [...]