EM@3AM: Typhlitis
A 62-year-old male presents with abdominal pain and fever for 2 days. He has recently completed induction chemotherapy a few days prior. Review of systems is remarkable for vomiting and anorexia. Exam reveals BP 96/69 mm Hg, HR 122, T 101.9 oral, RR 28, SpO2 97% on room air. He is ill appearing and has dry mucous membranes but no mucositis. Abdominal exam reveals guarding and tenderness in the right lower quadrant. What is the diagnosis, and what’s the next step in your evaluation and treatment?