Figure 4. The effect of intravenous lidocaine on the area of secondary hyperalgesia (in square centimeters) to von Frey hairs, stroking, and heat after intradermal injection of capsaicin in the volar aspect of the left forearm. *P < 0.05.
Figure 4. The effect of intravenous lidocaine on the area of secondary hyperalgesia (in square centimeters) to von Frey hairs, stroking, and heat after intradermal injection of capsaicin in the volar aspect of the left forearm. *P < 0.05.
