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Cardio-respiratory effects of nitrous oxide:oxygen:halothane anaesthesia administered to dental outpatients in the
Anaesthesia
|February 1, 1978
Abstract:
The cardio-respiratory responses of fifty-three healthy dental patients receiving 30% oxygen with nitrous oxide and halothane whilst seated upright are reported. A high degree of sympathetic autonomic activity was noted with considerable lability of the blood pressure and pulse rate. Hypoxaemia caused by respiratory obstruction, unrecognised by the anaesthetist, occurred in approximately 20% of patients at the time of insertion of the prop or pack and during removal of teeth.