A 3-year-old African American boy with a history of sickle cell disease presents to the ED after he developed a low-grade fever, runny nose, and an erythematous discoloration of both cheeks. His vital signs are heart rate 110 beats per minute, respiratory rate of 24 breaths per minute, and pulse oximetry of 98% on room air. The patient looks well and is in no acute distress. You note a macular lesion on both cheeks. The rash is not pruritic and there is no associated cellulitis or suppuration. What is the most serious complication to consider in this patient?
b. Viral encephalitis
d. Aplastic anemia
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quizzER is a weekly contest consisting of a question selected from various areas of emergency medicine that are central to the education of medical students and residents in training.
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