St. Jude Medical, Inc., together with its subsidiaries, develops, manufactures and distributes cardiovascular medical devices for cardiac rhythm management, cardiovascular, and atrial fibrillation therapy areas worldwide. It operates in two divisions, Implantable Electronic Systems, and Cardiovascular and Ablation Technologies. The company offers tachycardia implantable cardioverter defibrillator systems and cardiac resynchronization therapy defibrillator devices to treat patients suffering from lethal heart conditions, such as sudden cardiac arrest or heart failure. It also provides pacemakers, which deliver low-voltage electrical impulses to stimulate a heartbeat for patients whose hearts beat too slowly; and atrial fibrillation products comprising electrophysiology, introducers and catheters, advanced cardiac mapping, navigation and recording systems, and ablation systems. In addition, the company offers vascular closure devices, compression assist devices, pressure measurement guidewires, diagnostic coronary imaging technology, percutaneous catheter introducers, diagnostic guidewires, renal denervation technology and vascular plugs, optical coherence tomography imaging products, and other vascular accessories, as well as CardioMEMS, a heart failure monitoring device. Further, it provides structural heart products, including transcatheter aortic heart valves, various surgical heart valve repair and replacement products, and transcatheter structural heart defect devices; and neuromodulation products, such as spinal cord stimulation and radiofrequency ablation to treat chronic pain, as well as deep brain stimulation to treat movement disorders. The company sells its products through direct sales force and independent distributors. St. Jude Medical, Inc. was founded in 1976 and is headquartered in St. Paul, Minnesota.