title: Sinus arrest after alfentanil.
mesh_terms: D015760:Alfentanil; D000771:Anesthesia, Intravenous / Q000009:adverse effects*; D000777:Anesthetics / Q000009:adverse effects*; D003975:Diazepam / Q000009:adverse effects*; D005283:Fentanyl / Q000009:adverse effects / Q000031:analogs & derivatives*; D006323:Heart Arrest / Q000209:etiology*; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects
chemical_list: D000777:Anesthetics; D015760:Alfentanil; D003975:Diazepam; D005283:Fentanyl