A 6-year-old boy presents with lead poisoning from peeling paint exposure. Vital signs: BP 105/68 mmHg, HR 88/min, RR 20/min, temp 37°C, SpO2 98% on room air. Blood lead level is 52 mcg/dL with microcytic anemia (hemoglobin 10.2 g/dL). He exhibits irritability and abdominal discomfort but denies seizures or altered mental status. He takes no chronic medications. Which oral chelation agent is most appropriate for this symptomatic child without encephalopathy?
- A)Pralidoxime
- B)Methotrexate
- C)Hydroxocobalamin
- D)N-acetylcysteine
- E)SuccimerGABARITO
Explicação
Succimer is an oral chelator used in children with elevated lead levels when chelation is indicated and there is no severe encephalopathy. It is commonly contrasted with calcium disodium EDTA, which is parenteral. Ver explicação completa e trilha adaptativa →