title: Letter: Intratracheal lidocaine--local anesthesia or direct cardiac effect?
mesh_terms: D000770:Anesthesia, Endotracheal; D000772:Anesthesia, Local; D006321:Heart / Q000187:drug effects*; D006801:Humans; D008012:Lidocaine / Q000008:administration & dosage* / Q000494:pharmacology
chemical_list: D008012:Lidocaine