Acid Reflux Study – Bravo® Method
Bravo® is a pH-recording capsule used to
measure acid levels in the esophagus and to
help detect esophageal gastric reflux. The
capsule is placed in the esophagus during
Once the capsule has been attached to the
esophagus, it sends readings to the monitor
that you carry with you. This will record all
acid readings for the next 48 hours. For two
days, you will need to keep a diary of what
you eat and drink, when you lying down,
and any symptoms you have.
1. If you are taking medicines to reduce
stomach acid, you should stop them
ahead of time (see list below).
ξ 14 days before the test, stop
ξ 7 days before the test, stop
Aciphex® (rabeprazole), Prilosec®
(omeprazo, Prevacid® (lanosprazole),
and Protonix® (pantoprazole).
ξ 2 days before the test, stop
Propulsid® (cisapride), Zantac®
(ranitidine), Axid® (nizatidine),
Pepcid® (Famotidine), and Tagamet®
ξ 12 hours before the test, stop
Zelnorm® (tegaserod maleate) and
Reglan® (metoclopramide) and no
over the counter antacids (Maalox,
Gaviscon, tums, Rolaids).
2. Blood thinning medicine should never
be stopped without talking with the
provider who prescribes the medicine for
you. The provider will give you
instructions on how to safely stop the
blood thinning medicines. Contact us if
you have any questions.
One Week before Your Procedure
Blood thinning medicines should be
stopped as follows:
ξ No prasugrel (Effient®) for 7 days
ξ No warfarin (Coumadin®) for 5 days
ξ No clopidogrel (Plavix®) for 5 days
ξ No dabigatran (Pradaxa®) for 2 days
ξ No rivaroxaban (Xarelto®) for 2 days
ξ No apixaban (Eliquis®) for 2 days
ξ No enoxaparin (Lovenox®) for 12
3. No solid food after midnight the day of
the exam. You may continue drinking
clear liquids. You may continue
drinking clear liquids up until 4 hours
before your arrival.
4. Diabetic medicines (oral and insulin)
will need to be adjusted for the time
you are not eating as normal. Please
discuss this with your primary doctor.
Day of the Procedure
ξ Stop drinking liquids 4 hours before
you arrive for your appointment. You
may take your medicines with sips of
water up until 2 hours before your
ξ You will need to arrange for a
responsible adult to accompany you to
your appointment and drive you home
after your procedure because of the
sedation medicines used.
ξ If you use CPAP or BiPAP for sleep
apnea, please bring it with you. We
may need your machine in order to
sedate you safely.
ξ A nurse will teach you how to use the
recording device and dairy, and answer
all of your questions.
After the test and for the rest of the day
ξ Plan to rest and do not return to work.
ξ Do not drive or use hazardous
ξ Do not make any important decisions.
ξ Do not drink alcohol.
You should be able to resume your regular
diet and normal daily tasks on the day after
Returning the recorder:
After the 48 hour study period is over,
please return the recorder and diary to the
clinic as instructed by the nurse.
After the Test
ξ Do not have an MRI for 30 days.
ξ Please allow 1-2 weeks for finalized
reports to be available for your doctor
How to Contact Us
If you have any questions, you may contact
your doctor at the contact numbers listed
UW Health Digestive Health Center
750 University Row
University of Wisconsin Hospital &
GI Procedure Clinic
600 Highland Avenue
UnityPoint Health-Meriter Hospital
Digestive Health Center
202 S. Park Street
UW Health at The American Center
4602 Eastpark Blvd
Madison, WI 53718
Your health care team may have given you this information as part of your care. If so, please use it and call if you
have any questions. If this information was not given to you as part of your care, please check with your doctor. This
is not medical advice. This is not to be used for diagnosis or treatment of any medical condition. Because each
person’s health needs are different, you should talk with your doctor or others on your health care team when using
this information. If you have an emergency, please call 911. Copyright © 11/2016 University of Wisconsin Hospitals
and Clinics Authority. All rights reserved. Produced by the Department of Nursing HF#6265.