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How Pacemakers Work. Your pacemaker device contains a small battery-operated computer, which is typically implanted in your chest, and one or two leads, which are implanted in your heart and connected to the device. The pacemaker continuously monitors your heart rhythm and delivers electrical energy (as programmed by your physician)...
Specifically, pacemakers are most commonly used to treat several cardiac arrhythmias that produce bradycardia —a heartbeat that is too slow. The heart rhythms that cause bradycardia are sick sinus syndrome and heart block. Pacemakers usually eliminate the symptoms caused by bradycardia including weakness, fatigue,...
How Does a Pacemaker Work? The wires in a single-chamber pacemaker usually carry pulses from the generator to the right ventricle... The wires in a dual-chamber pacemaker carry pulses from the generator to the right atrium... The wires in a biventricular pacemaker carry pulses from the generator ...
How Pacemakers Work Your pacemaker device contains a small battery-operated computer, which is typically implanted in your chest, and one or two leads, which are implanted in your heart and connected to the device. The pacemaker continuously monitors your heart rhythm and delivers electrical energy (as programmed by your physician) to pace your ...
Pacemakers are used to treat bradycardia, or slow heartbeat. Pacemakers prevent slow heart beat by sending impulses to keep the heart beating at the desired rate for the person. Traditionally the pulse generator of the pacemaker is implanted through a surgical incision into a pocket in the chest region.
Rate-responsive pacemakers adjust heart rates depending on the patient's level of activity. They measure the SA node rate but also breathing, blood temperature and other factors. Today's permanent pacemakers last at least 6 to 10 years depending on how frequently the device has to work. Every time a pacemaker is triggered it drains its battery.