Table 1. Physiologic Variables for Levobupivacaine Groups

Heart rate (HR, beats/min), mean arterial blood pressure (MABP, mmHg), arterial blood p  H, partial pressure of carbon dioxide (Pco², mmHg), and partial pressure of oxygen (Po², mmHg) during the control period and at the onset of each toxic manifestation during levobupivacaine infusion.

* Significantly greater than nonpregnant at control.

† Significantly lower than nonpregnant at convulsions.

‡ Significantly lower than nonpregnant at control.