The bovine having surgical ailments of claw, were divided in to two groups having six animals/limbs in each group. Tourniquet for standard and modified intravenous regional anesthesia (IVRA), was placed circumferentially at the middle of the metacarpus and just below dewclaw in group I and II, respectively. Lignocaine was injected @ 4 mg/kg and 2 mg/kg b.wt. in group I and group II animals, respectively. In group I, pulse rate increased significantly P andlt; 0.05 at 20 and 30 minutes. Heart rate increased significantly P andlt; 0.05 at 20 minute and 30 minute interval in group I and II animals, respectively. In animal of both groups, oxygen saturation significantly P andlt; 0.05 decreased during study time period. Systolic pressure significantly increased at 15, 20 and 20 minutes in group I animals. It was concluded that modified IVRA technique was safer as compared to standard IVRA..
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