About the GI Motility Unit
Established by Dr. William Whitehead, the UNC GI Motility Unit is nationally renowned. Each year we perform more than 3,500 GI motility procedures.
- Director: Yolanda Scarlett, MD
- Evan Dellon, MD, MPH
- Spencer Dorn, MD, MPH
- Kathleen Ferrell, PA-C
- Danielle Maier, PA-C
- Ryan Madanick, MD
- Yolanda Scarlett, MD.
- Biofeedback Therapist: Mary Scholz, RN, PhD
- Motility Nurses: Sheila Crawford, RN, Nancy Boswell, RN
Available motility procedures
- Anorectal Manometry to evaluate constipation (including excessive straining and incomplete evacuation), fecal incontinence, and rectal pain.
- Esophageal Manometry (High Resolution) to evaluate difficulty swallowing, heartburn, chest pain, and for pre-operative evaluation.
- Esophageal Function Test combines esophageal manometry with impedance testing to assess bolus clearance.
- pH Probe evaluates the frequency and severity of acid reflux, as well as its association with heartburn, regurgitation, chest pain, and cough.
- Impedance/pH probe evaluates the frequency and severity of acid and non-acid reflux, as well as its association with heartburn, regurgitation, chest pain, and cough.
- Breath test for Helicobacter Pylori (C-13) a non-invasive test for H. Pylori.
- Hydrogen Breath Test for Bacterial Overgrowth to evaluate bloating, diarrhea, and malabsorption.
- Hydrogen Breath Test for Lactose Malabsorption to evaluate lactose intolerance.
- Pelvic Floor Biofeedback. We have a dedicated Pelvic Floor Biofeedback Clinic led by Dr. Mary Scholz, RN, PhD, a full-time biofeedback therapist. Appropriate referrals are patients with fecal incontinence, constipation due to pelvic floor dyssenergia, and chronic proctalgia. Anorectal manometry is first required.
How to refer a patient
You may directly refer patients for motility testing by simply faxing a completed procedure request form (available here) to 919-966-8764. Our scheduling office will directly schedule the appointment and mail the patient information about the appointment and procedure. Alternatively, some patients are first referred for outpatient consultation [see here].
How to contact us
During normal business hours please call 919-966-5563. After hours, messages may be left at 919-966-2319.