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Figure 4. Infrared thermograms of normal forelimb digits at various time intervals in relation to perineural injection of mepivacaine HCl. These images are typical of the results for anesthetized limbs in this study. Time: 0 = image at time of mepivacaine HCl injection, time: 15 = 15 min postinjection of mepivacaine HCl, time: 45 = 45 min postinjection of mepivacaine HCl.
