Case Presentation: 65-year-old man with a history of end stage renal disease on hemodialysis, hypertension, cervical spine stenosis status post surgical decompression presented with melena, a decreased appetite, dysphagia for solids and liquids, and a ninety-pound weight loss over the prior six months. He was admitted with acute hypoxic respiratory failure and stridor requiring endotracheal [...]

Case Presentation: A 44 year-old African-American man presented to his primary care physician with a five day history of neck swelling and pain associated with chills, night sweats and weight loss. Three days prior to presentation, he was evaluated at a nearby emergency department and prescribed amoxicillin-clavulanic acid without improvement. Physical and laboratory examinations were [...]