St. Jude Medical, Inc. (St. Jude)develops, manufactures and distributes cardiovascular medical devices for the global cardiac rhythm management, cardiology and cardiac surgery and atrial fibrillation therapy areas and implantable neurostimulation devices for the management of chronic pain. The Company operates in four business segments: Cardiac Rhythm Management (CRM), Cardiovascular (CV), Atrial Fibrillation (AF) and Neuromodulation Systems (Neuro). On July 3, 2008, the Company completed the acquisition of EP MedSystems, Inc. On December 19, 2008, St. Jude acquired Radi Medical Systems. On December 22, 2008, St. Jude acquired MediGuide Inc.