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1 Staff Anesthesiologist, Cedars of Lebanon Hospital and Clinical Instructor in Anesthesiology, UCLA School of Medicine
2 Clinical Instructor in Medicine, UCLA School of Medicine
3 Assistant Clinical Professor of Medicine, UCLA School of Medicine
4 Associate Clinical Professor of Medicine, UCLA School of Medicine
The Holter monitor system was used to correlate the onset of arrhythmias during surgery with the type and length of surgical procedure, anesthetic agent, and technique of anesthesia.
The incidence of significant arrhythmias during general anesthesia and surgery was found to be 61.7 per cent. The most common were wandering pacemaker, isorhythmic A-V dissociation, nodal rhythm, and premature ventricular systoles.
Precipitating factors which cause arrhythmias were the types of anesthetics, intubation, hyperventilation, and duration of surgery.
An unexpected finding was the fact that there was no significant difference of arrhythmias occurring in the normal patient compared to those with pre-existent heart disease or arrhythmias.
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