Heart Test Laboratories, Inc. is a medical technology company, which focuses on applying innovative AI-based technology to an electrocardiogram (ECG) to expand and improve an ECG's clinical usefulness. Its objective is to make an ECG a far more valuable cardiac screening tool, particularly in frontline or point-of-care clinical settings. It offers MyoVista, a resting 12-lead ECG that is also designed to provide diagnostic information related to cardiac dysfunction. The company was founded in 2008 and is headquartered in Southlake, TX.