Lev-El Diagnostics is a medical technology company specializing in the noninvasive detection of cardiovascular diseases. The companys initial product, HeartTrends, is a cardiac stress test alternative. HeartTrends is designed to assist in the detection of myocardial ischemia related to coronary artery disease (CAD) at an early stage. HeartTrends can be used as a general tool for screening both sick and healthy individuals. The HeartTrends software analyzes R-R interval measurements captured from a certified, off-the-shelf Holter monitor during a short at-rest heart test. Immediately following the procedure, HeartTrends can generate a Dy/Dx indicator value to assist qualified personnel in detecting myocardial ischemia related to CAD.