The purpose of myocardial viability testing is to identify patients that might benefit from revascularization by diagnosing three types of myocardium: normal, viable or hibernating, and scarred (non-viable). Non-randomized studies have shown recovery of a viable ventricle after myocardial revascularization surgery (CABG) and improved survival.  However, a sub-analysis of the main study on viability testing,…