6 Higgins Higgins JP JP Higgins Higgins JA JA Elevation of cardiac troponin I indicates more than myocardial ischemia Elevation of cardiac troponin I indicates more than myocardial ischemia Clin Invest Med Clin Invest Med 2003 2003 26 26 3 3 133 133 147 147 12858947 12858947 6. This evidence concerns the gene TNNI3 and myocardial ischemia.