Get latest articles and stories on Health at LatestLY. According to a small, but rigorous study led by Johns Hopkins Medicine researchers, adults with abnormal heart metabolism are up to three times more likely to experience life-threatening arrhythmias (an irregular heart rhythm), and MRI techniques could be used to detect the condition and predict future sudden cardiac death (SCD). Health News | Abnormal Heart Metabolism Linked to Sudden Cardiac Death in Future: Study.