Sandhill Scientific is a world leading developer and marketer of innovative G.I. Diagnostic solutions. We pioneered Impedance/pH Total Reflux Monitoring for acid and nonacid reflux, forever changing worldwide diagnostic practice for refractory GERD. Our equally innovative High Resolution Impedance Manometry (HRiM) system provided the world with the first high resolution manometry system capable of concurrently assessing bolus transit with impedance.