Case Presentation: A 69-year-old woman with ALL on chemotherapy and prior venous thromboembolisms being treated with rivaroxaban was admitted for symptomatic COVID19. She was dyspneic with pulse oximetry saturations in the 90s, so she was started on oxygen via nasal cannula, dexamethasone, and remdesivir. Initial chest X-ray, troponins, D-dimer, and BNP were unremarkable. Chemotherapy was [...]