A 29-year-old man is brought to the emergency department after being found in a running car in a closed garage. He presents with severe headache, confusion, and characteristic cherry-red skin. Vital signs: BP 118/76, HR 102, RR 20, Temp 37.2°C, SpO2 98% (falsely reassuring). Carboxyhemoglobin level is 28%. He denies chest pain or dyspnea. Which of the following is the most appropriate treatment?
- A)Hydroxocobalamin
- B)Amyl nitrite
- C)Administration of 100 percent oxygenGABARITO
- D)N acetylcysteine
- E)Fomepizole
Explicação
Carbon monoxide binds hemoglobin with much higher affinity than oxygen and also impairs oxygen unloading. Immediate treatment is high flow oxygen, with hyperbaric oxygen considered in severe cases, to accelerate dissociation of carboxyhemoglobin. Ver explicação completa e trilha adaptativa →