St. Jude Medical develops medical technology and services that focus on putting more control into the hands of people who treat cardiac, neurological and chronic pain patients worldwide. The company focuses on five major areas that include: cardiac rhythm management, atrial fibrillation, cardiac surgery, cardiology and neuromodulation. The St. Jude Medical product portfolio includes implantable cardioverter defibrillators (ICDs), cardiac resynchronization therapy (CRT) devices, pacemakers, electrophysiology catheters, mapping and visualization systems, vascular closure devices, heart valve replacement and repair products, and neurostimulation devices.