Aliskiren Study (IMAGE) University of Arizona Health Sciences Caption The treated image shows improved contractility of the heart, less ventricle/chamber dilation and improvement in wall thickness compared to the untreated heart. Credit UA College of Medicine -- Phoenix 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.