I am interested in clincal use of a tool to measure nausea and vomiting in children who present with gastrointestinal problems, such as GERD, IBD, and feeding problems.
Here is the only one that I know of. http://pediatrics.aappublications.org/content/127/6/e1542.long They developed a pictorial scoring system, like the Wong Baker Faces of Pain scoring system , but for nausea (called the BARF scale.)