A 4-year-old child is brought to ED after ingesting an unknown number of sustained-release iron tablets 1 hour ago. He is asymptomatic. What is the MOST appropriate next step?AReassure and discharge as he is asymptomaticBPerform whole bowel irrigation immediately without imagingCObtain an abdominal X-ray to assess for retained tablets and seek toxicology adviceDStart desferrioxamine infusion immediately in all iron ingestionsEGive milk to reduce absorption and observe at homeCheck my answer