 For decades, the only imaging study available to us has been x-ray, and the use of ultrasound has opened up many, many more possibilities. We can now look for things like gallstones. KID stands for point-of-care testing, which is a much more focused exam. We looked at one specific organ to try to answer one specific medical question. The ultrasound has provided us the opportunity to provide excellent care, high-level diagnostics at a much more affordable cost.