Medical apparatus for preventing or reversing heart failure; Medical apparatus for treating congestive heart failure; Medical devices for treating congestive heart failure; Cardiac pacemakers; Apparatus for cardiac defibrillation; Heart pacemakers; Cardiac event recorders; Medical devices for use in treating or diagnosing arrhythmia and heart failure with integrated recorded software for recording, processing and transmitting medical data, sold as a unit; Medical devices for use in treating o...