CardioDynamics International Corporation (CardioDynamics) is a developer of a medical technology called impedance cardiography (ICG). CardioDynamics develops, manufactures and markets noninvasive ICG diagnostic and monitoring devices and ICG sensors. The Company’s principal ICG products consist of BioZ Dx ICG Diagnostics, BioZ ICG Monitor, BioZ ICG Module, BioZtect and BioZ Advasense Sensors, Niccomo ICG Monitor and BioZ ICG OEM Module Kit. It has one operating segment, the ICG. It sells to physicians and hospitals in the United States through its own direct sales force and distribute its products to targeted international markets through a network of distributors. As of November 30, 2008, the Company has sold approximately 8,700 ICG systems (stand-alone products and integrated modules) to physician offices and hospital sites worldwide. On August 14, 2009, SonoSite, Inc. completed the acquisition of CardioDynamics.