AFIB (IMAGE) Intermountain Medical Center Caption Combining the Intermountain Mortality Risk Score (IMRS), developed by clinicians at Intermountain Healthcare, with the traditional CHA2DS2-VASc risk score, was more accurate in identifying at-risk patients than using the traditional score alone, according to new research from the Intermountain Medical Center Heart Institute. Credit Intermountain Medical Center Heart Institute Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.