The radiology unit I'm having mine at
(https://radiology.uchicago.edu/sites/radiology.uchicago.edu/files/uploads/Barium%20Prep.pdf)
advises patients not to drink sweetened drinks,
while this preparation procedure makes no such claim:
http://www.princetonradiology.com/services/x-ray/Barium-Enema-Prep.pdf
Why is there no uniformity in preparation procedures?