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Arrhythmia control pacer using skeletal muscle cardiac graft stimulation

Image Number 7 for United States Patent #5251621.

An antiarrhythmia pacemaker and method detect and confirm the occurrence of an abnormal condition of a patient's heart selected from the group comprising tachycardia, fibrillation and precursors thereof, and, in response thereto, deliver an antiarrhythmia therapy to the patient which includes two components, electrical stimulation of the heart and electrical stimulation of a skeletal muscle graft which has been surgically grafted to the heart to augment performance of the heart. The antiarrhythmia pacemaker and method control electrical stimulation of the heart in terms of timing, frequency, amplitude, duration and other operational parameters, to provide such pacing therapies as antitachycardia pacing, cardioversion and defibrillation. A skeletal muscle graft stimulation electrode, which is driven by a skeletal muscle pulse stimulator, stimulates preselected nerve fibers within the skeletal muscle graft. An arrhythmia therapy control responds to the detection and confirmation of an abnormal heart condition by controlling and coordinating the operation of the heart stimulator and the skeletal muscle graft stimulator to direct performance of a combined heart stimulation and skeletal muscle graft stimulation therapy.

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