Appropriate Use Criteria for Stress Echocardiography: Impact of Updated Criteria on Appropriateness Ratings, Correlation With Pre-Authorization Guidelines, and Effect of Temporal Trends and an Educational Initiative on Utilization

Study Questions:

What is the impact of the 2011 appropriate use criteria (AUC) for stress echocardiography (SE) on the distribution of appropriate and inappropriate SE, and furthermore, how well do AUC correlate with the determination of radiology benefits managers (RBM) for precertification of SE?