Case Presentation: Pt was a FT 2wk old boy. At his 1st clinic appointment, he was 9% below birthweight. Mom reported appropriate feeding volume but he was sleeping throughout the day and needed to be woken for feeds. He was stooling 1-2 times per day with 4-5 wet diapers and no vomiting or fevers. At [...]

Case Presentation: Mr. M is a 66 year old man with a history of a kidney transplant and extensive coronary disease with a recent myocardial infarction and code blue arrest 2 months prior to admission. He presented to an outside facility with altered mental status and seizures attributed to severe hyponatremia (Na 115). The patient [...]

Case Presentation: A 51 year old Haitian male with a history of hypertension and what he described as “low sodium” presented to the emergency room with 4 days of dizziness, frontal headache, and nausea preceded by a 2 week onset of dry mouth and malaise. He had been prescribed hydrocortisone on a previous hospitalization, which [...]

Case Presentation: This is the case of a 57-year-old lady with rapidly progressive stage IV pulmonary adenocarcinoma who presented two months after diagnosis with findings of significant hyponatremia. Upon admission, she was afebrile, hypotensive and tachycardic. Sodium was 119 mEq/L, potassium 2.4 mEq/L, chloride 67 mEq/L, serum osmolality 246 mosm/kg, urine osmolality 684 mosm/kg and [...]

Case Presentation: 75 year-old male with nasal NK/T non-Hodgkin lymphoma (stage II B) in second relapse on salvage Pembrolizumab (checkpoint inhibitor) presented with fatigue, skin irritation and arthralgias. Initial blood work showed hyponatremia. Patient had a low plasma osmolality and was euvolemic on exam. Urine sodium was 96MeQ/L. Patient had a low serum cortisol which [...]