When scheduling radiographic examinations, what is the most preferred sequence?

The preferred sequence for scheduling radiographic examinations is based on the need to minimize patient discomfort and reduce the risk of interference between different studies, particularly those that involve the gastrointestinal (GI) tract.

In the correct sequence, starting with a KUB (Kidneys, Ureters, Bladder) exam is logical because it typically does not require any contrast material and can be done easily at any time. Following the KUB with an IVU (Intravenous Urography) is also sensible, as this examination evaluates the urinary tract using contrast but does not involve the GI tract.

Next, performing a BE (Barium Enema) is appropriate, as it can involve the rectum and lower GI tract and may still be less disruptive due to its positioning and nature. Finally, concluding with an UGI (Upper Gastrointestinal) exam is ideal because it requires the most preparation time and is affected by prior contrast studies.

This order helps to ensure that contrast mediums used in studies do not interfere with one another, and it allows the digestive system to return to a baseline state before being subjected to further examinations that involve different contrast agents.