title: Circulatory changes during direct laryngoscopy and tracheal intubation: influence of duration of laryngoscopy with or without prior lidocaine.
mesh_terms: D000770:Anesthesia, Endotracheal; D000771:Anesthesia, Intravenous; D001794:Blood Pressure / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D007442:Intubation, Intratracheal; D007828:Laryngoscopy; D008012:Lidocaine / Q000008:administration & dosage / Q000494:pharmacology*; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D010313:Partial Pressure; D013390:Succinylcholine / Q000494:pharmacology; D013840:Thiamylal / Q000494:pharmacology; D013997:Time Factors
chemical_list: D013840:Thiamylal; D008012:Lidocaine; D013390:Succinylcholine; D010100:Oxygen