Table 4

 Drug related causes of bradycardia

DrugsNo
Note: several drugs may be given in combination.
Examples of specific drug related causes of bradycardia: *enflurane (17), halothane (11), isoflurane (3), not specified (3); †fentanyl (11), pethidine as premedication (6), morphine (2), omnopon (1); ‡thiopentone (6), propofol (4), not specified (8); ¶second dose (5); §overdose (1), toxicity (1); **droperidol (2), vancomycin (1), phenytoin (1), hydrallazine (1), methylprednisolone (1), digoxin (1), ornithine 8-vasopressin POR8 (1), beta-blockers (1), promethazine (1); ††syringe swap: suxamethonium (1), fentanyl (1), (2), metaraminol (1), not specified (2), residual in IV line: suxamethonium (1), morphine (1).
Inhalational agents*34
Opioids†20
IV anaesthetic agents‡18
Suxamethonium¶12
Muscle relaxants7
Anticholinesterase6
Metaraminol5
Local anaesthetic§3
Benzodiazepines3
Vaporiser incident2
Miscellaneous**10
Drug error††9
Total129