Quiz Page September 2016
A 60-year-old man with chronic alcoholism presented after a fall with head trauma and confusion. Multiple myeloma had been diagnosed 2 months earlier, but he had not yet begun therapy. On physical examination, he appeared confused, orthostatic, and dyspneic, with no focal neurologic deficits. Laboratory testing was significant for a total protein level of 9.5g/dL, albumin level of 2.4g/dL, calcium level of 8.2mg/dL and inorganic phosphorus level