Case Presentation: A 70-year-old male with a past medical history of hypertension and diabetes was sent to the emergency room by primary care physician because of persistent hypokalemia while taking oral potassium supplements. Patient reported generalized weakness, low back pain, thirty-pound weight loss and poor appetite for a few months. He smokes one packet of [...]

Case Presentation: A 59 year-old female with past medical history significant for chronic hyponatremia and tobacco use presented to the hospital with complaints of dyspnea and neck pain for 2 weeks. She reported blurry vision and swelling in her neck, face and axillae. Initial vitals were stable. Admission labs were significant for sodium 125, baseline [...]

Case Presentation: A 66-year-old female with metastatic small cell lung cancer involving brain, liver, and bones was admitted via ED with generalized weakness, mild confusion, and decreased oral intake for 3 days. She was initiated on immunotherapy with immune checkpoint inhibitors, ipilimumab (human cytotoxic T-lymphocyte antigen 4 (CTLA-4)-blocking antibody) and nivolumab (a programmed death receptor-1 [...]