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cardiac pacemaker a small mass of specialized muscle tissue in the heart that sets a rhythm of contraction and relaxation for the other parts of the heart, resulting in the heartbeat. Usually the pacemaker site is the sinoatrial node, near the junction with the superior vena cava.What is the pacemaker of the heart?
Natural pacemaker: The natural pacemaker of the heart is the sinus node, one of the major elements in the cardiac conduction system, the system that controls the heart rate. This stunningly designed system generates electrical impulses and conducts them throughout the muscle of the heart, stimulating the heart to contract and pump blood.What is a pacemaker technician?
ICD technicians, sometimes called pacemaker technicians, are cardiovascular technicians who are trained to recognize the symptoms of malfunctioning pacemakers or ICDs (implantable cardioverter-defibrillators). Pacemakers are devices that deliver low-energy electrical pulses to the heart, while ICDs are capable of delivering high-energy pulses.What is a cardiac electrophysiologist?
An electrophysiologist — also referred to as a cardiac electrophysiologist, arrhythmia specialist or EP — is a doctor with a specialization in abnormal heart rhythms. Electrophysiologists test the electrical activity of your heart to diagnosis the source of your arrhythmias (irregular heartbeats) to help determine a suitable treatment.