Heart rhythm is mainly controlled by the conduction system of the heart. Any abnormality in the conduction system may result in abnormal heart rhythm (arrhythmia). Arrhythmias with slow heart rate cause dizziness, syncope, heart failure or occasionally cardiac death.
Permanent cardiac pacemaker (PPM) is an implantable device used for long-term treatment of arrhythmias with slow heart rate. It consists of a battery-powered generator and leads which connect the generator to the patient’s heart. If the heart rate is slow, the pacemaker will stimulate the heart at a desirable rate.