Tweaking MRI to Track Creatine May Spot Heart Problems Earlier (image) University of Pennsylvania School of Medicine Share Print E-Mail Caption On the left, creatine CEST maps of healthy myocardium, and on the right, eight week-old infarcted tissue, with noticeably less creatine. Arrow on right indicates infarcted region of heart tissue. Credit Nature Medicine Usage Restrictions None Share Print E-Mail 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.