One of the main goals of any radiology facility should be to minimize patient
exposure. One way of accomplishing this goal is through minimizing the number
of repeat exposures performed. By definition, repeat films are those patient radiographs
that are not diagnostically acceptable and require an additional exposure
of the patient for the same view. Evaluation of repeat rates for a facility can serve
as a means of improving patient care, decreasing exposure, and reducing film costs.
Repeat rate analysis should be performed on a regular basis. To assure meaningful
results, recommended frequency for performance is quarterly with a minimum
volume of 250 patients. It is recommended that the same individual be
responsible for performing the analysis, as film viewer differences can affect the
outcome of the study. Other factors that can affect the facility repeat rate and
should be considered are