A 2-year-old boy presents to the emergency department with vomiting, abdominal pain, and lethargy after ingesting his mother's prenatal vitamins. Vital signs show HR 128/min, BP 95/60, RR 24/min, and temperature 37.2°C. Abdominal radiograph reveals multiple radiopaque tablets in the stomach. Serum iron level is 450 mcg/dL (normal <150). He denies diarrhea. Which of the following agents is the most appropriate specific therapy if severe iron toxicity is confirmed?
- A)Atropine
- B)Fomepizole
- C)Penicillamine
- D)DeferoxamineGABARITO
- E)Succimer
Explicação
Acute iron poisoning is classically seen after ingestion of prenatal vitamins and can cause gastrointestinal corrosion, shock, and metabolic acidosis. Deferoxamine chelates free iron and is used in significant toxicity. Ver explicação completa e trilha adaptativa →