Case Presentation: A 54 year-old female presented to the ED with five days of fatigue, nausea, vomiting, and abdominal pain, increasing confusion, and somnolence after a recent viral illness. On physical exam, she was noted to have large, fixed masses in her breasts with bulky axillary lymphadenopathy. Upon further questioning, the patient revealed that she [...]

Case Presentation: A 33-year-old woman with metastatic breast cancer and recent subtotal resection of a suprasellar brain metastasis presented with subacute fatigue and confusion a month after her surgery. She was oriented only to self, normotensive, with an exam notable only for mild left sided weakness, unchanged from her post-operative discharge. Admission laboratory data showed [...]

Case Presentation: A 70 year-old woman with no known history was admitted with symptoms of urinary incontinence and generalized weakness. Workup was notable for a positive urinalysis, positive Influenza swab, and serum sodium of 142mmol/L. She was started on ceftriaxone, oseltamivir and isotonic fluids (normal saline). On hospital day (HD) 2, her sodium was 159mmol/L, [...]