Mississippi Center for Obesity Research 1 article published in JoVE Medicine Novel Approach for Simultaneous Recording of Renal Sympathetic Nerve Activity and Blood Pressure with Intravenous Infusion in Conscious, Unrestrained Mice. Shereen M. Hamza1, John E. Hall2 1Department of Pediatrics, University of Alberta, 2Department of Physiology & Biophysics, University of Mississippi Medical Center, 3Mississippi Center for Obesity Research Anesthetized mice exhibit non-physiological systemic blood pressure, which precludes meaningful assessment of autonomic tone given the intimate relationship between blood pressure and the autonomic nervous system. Thus, a novel method to simultaneously record renal sympathetic nerve activity and blood pressure with intravenous infusion in conscious mice is outlined.