Pacemaker (Double Chamber)

A pacemaker is a medical device to monitor and control heartbeats. It is generally implanted in patients with bradycardia. Bradycardia causes an unusually slow or irregular heartbeat.

A pacemaker system consists of a battery, a computerized generator, and wires with sensors called electrodes on one end. The battery powers the generator, and both are surrounded by a thin metal box. The wires connect the generator to the heart. The electrodes detect your heart's electrical activity and send data through the wires to the computer in the generator.

If your heart rhythm is abnormal, the computer will direct the generator to send electrical pulses to your heart. The pulses then travel through the wires to reach your heart.

Newer pacemakers also can monitor your blood temperature, breathing, and other factors and adjust your heart rate to changes in your activity.

The pacemaker's computer also records your heart's electrical activity and heart rhythm. Your doctor will use these recordings to adjust your pacemaker so it works better for you.

Your doctor can program your pacemaker's computer with an external device. Doctor doesn't have to use needles or have direct contact with the pacemaker to program the pacemaker.

If both sick sinus syndrome and heart block are present, a double-chamber pacemaker can be used to generate beats in the atrium and initiate contraction for pumping blood in the ventricle.

A pacemaker can make life safer and better for someone living with bradycardia, allowing an active lifestyle without tiredness or lack of energy. With greater advances in technology, pacemakers are getting miniaturized and more powerful.

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