A 29-year-old man with a history of intravenous drug use is found unresponsive in a public restroom. Vital signs show BP 88/56, HR 52, RR 5, temperature 36.2°C, and SpO2 78% on room air. Examination reveals pinpoint pupils, track marks on bilateral forearms, and absent bowel sounds. Arterial blood gas shows pH 7.21 with PaCO2 68 mmHg. There is no evidence of trauma or recent seizure activity. Which agent should be administered immediately?

  1. A)N-acetylcysteine
  2. B)Atropine
  3. C)Fomepizole
  4. D)NaloxoneGABARITO
  5. E)Flumazenil

Explicação

Opioid overdose causes the classic triad of central nervous system depression, respiratory depression, and miosis. Naloxone is a competitive opioid receptor antagonist that rapidly reverses respiratory suppression. Ver explicação completa e trilha adaptativa →

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