[Cardiac dysrhythmias during halothane and enflurane anesthesia for dental procedures: a comparison]

A comparison was made of the frequency of cardiac arrhythmias produced by enflurane and halothane as volatile supplements to nitrous oxide anaesthesia for 107 fit patients presenting for routine dental extractions and fillings. ECGs were recorded continuously. Arrhythmias occurred most frequently with halothane; a higher incidence of ventricular arrhythmias was found in the age group 5-9 years, and of nodal rhythms in the age group 10-50 years.