Nothing by mouth after midnight the evening before the test. This test can take 3 hours or more.
Colon Transit Study
No laxatives 5 days prior and do not use them until the test is complete.
CT Scan Enterography
Nothing by mouth 4 hours prior to test, arrive 1 hour prior to the test for the contrast.
Esophagram
Nothing to eat or drink 4 hours prior, wear loose clothing without metal. For afternoon exams, a light breakfast is allowed. Medications may be taken with a small amount of water. Approximately 45 minute exam.
HIDA Scan
No narcotics 6 hours prior to test. Nothing by mouth 4 hours prior to exam.
MRI/MRCP
Nothing to eat or drink 4 hours before the test.
Ultrasound of Liver, Gallbladder, Pancreas, Abdomen
Fat free dinner the night before the test. Nothing to eat or drink after midnight.
Video Swallow
No prep – arrive 15 minutes early. Approximately 30 minute test.