Case Presentation: An 80-year-old female with a past medical history of atrial fibrillation on daily aspirin, previously managed with Eliquis but discontinued due to multiple GI bleeds of unknown origin, and unexplained leukocytosis up to 61.67K, transferred to an academic hospital from a community hospital for two episodes of hematochezia and symptomatic anemia with a [...]

Case Presentation: We present a 61 year old female with a history of hypertension and rheumatoid arthritis well controlled on Humira who presented to the ED with tachycardia and tachypnea, found to have profound lymphocytic leukocytosis and altered mental status. The patient’s family reported a history of fatigue and confusion for 4 days as well [...]