A Child with Diarrhea and Cyanosis

6-week-old old full term, NSVD female brought to the ED by her mother for worsening diarrhea and lethargy. Mom denies use of new medications or OTC meds but reports that she recently had several days of worsening diarrhea. Denies fevers, cough, and other systemic symptoms. The baby’s initial vital signs were as follows: BP 86/42, HR 110, RR 38, O2 sat 85% on RA. Patient was placed on non rebreather with no improvement in her oxygen saturation. A diagnostic test was performed to confirm the diagnosis of...
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