Misdiagnosed Myocardial Ischemia, Heart Attack & Stroke Risk Leads to Poor Outcomes; Myocardial ischemia occurs when blood flow to your heart is reduced, preventing the heart muscle from receiving enough oxygen. This is often the result of plaque buildup inside the artery wall. Heart attack and stroke are primarily caused by non-obstructive, but unstable plaque in the arteries that goes undiagnosed and untreated.1 Current non-invasive testing cannot visualize the biology deep inside artery walls where...