About CAMH Stock Profile Cambridge Heart, Inc. Cambridge Heart develops and commercializes non-invasive diagnostic tests for cardiac disease, with a focus on identifying those at risk for sudden cardiac arrest (SCA). The Company’s products incorporate proprietary Microvolt T-Wave Alternans™ measurement technologies, including the patented Analytic Spectral Method® and ultrasensitive disposable electrode sensors. The Company’s MTWA test, originally based on research conducted at the Massachusetts Institute of Technology, is reimbursed by Medicare under its National Coverage Policy.