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Doctor insights on: Vvir Pacemaker

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What is a pacemaker?

What is a pacemaker?

Heart device.: A cardiac pacemaker is a device that is implanted in the chest to permanently regulate heartbeat rhythms. The pacemaker monitors the heartbeat to make sure it is not beating too slowly, and when necessary transmits electric pulses to the heart to increase the heartbeat pace. Pacemakers are periodically replaced every several years when the battery runs out. ...Read more

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Dr. James Krick
2 doctors shared insights

Pacemaker (Definition)

A pacemaker is a device which sends electrical signals to the heart triggering heartbeats when needed. There are many ways to implant and configure a pacemaker; it may beat the top chambers (atria), lower chambers (ventricles) or both. Some systems stimulate both the left and right ventricles together. Pacemakers generally treat abnormally slow heart rhythms and certain ...Read more


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What are pacemakers?

What are pacemakers?

Speed up heart: If your heart is beating too slow, a pacemaker sends a small electric shock to the heart making it beat faster. There is a batery and some electronic circuits which tell the pacemaker when your heart beats too slow. ...Read more

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Can a pacemaker expire?

Can a pacemaker expire?

The battery runs out: The battery runs out after years and the whole unit needs to be replaced. ...Read more

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How to test a pacemaker?

Pacemaker clinic: You need to go to pacemaker clinic at a hospital where they will "interogate" it. You cannot do it by yourself. ...Read more

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How do pacemakers appear?

How do pacemakers appear?

Small implant: It usually appears as a small implant in the left or right upper chest area --. ...Read more

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How does a pacemaker work?

How does a pacemaker work?

Artificial pacemaker: Artificial (implantable) pacemakers are mostly regulated by a sensor that recognizes motion. It's similar to the sensor that changes your phone/ipads display from portrait to landscape, based on the direction of the device. There are other sensors, such as ones that measure the density of blood in the heart and chest motion (simulating breathing). Get your routine pacemaker maintenance checks. ...Read more

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Who should use pacemakers?

Who should use pacemakers?

HeartRhythm or block: Pacemakers are most commonly necessary for patients with bradycardia- slow heart rate, tachycardia - fast heart rate, and heart block - when the heart stops beating for several seconds. ...Read more

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What are fixed pacemakers?

Fixed rate: I assume you mean fixed rate pacemakers. We don't use them anymore. The very earliest pacemakers just fired at whatever rate you set them, once a second if you set the rate to 60. That lead to chaos if the patient's inherent heart rate was not always real slow. So they made pacemaker's which sense normal beats and only fire if the rate gets slow. They are inhibited when a heartbeat is sensed. ...Read more

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How are pacemakers placed?

How are pacemakers placed?

Minor surgical proce: Pacemakers are placed in a cardiac cath or surgical suite with the visual guidance of fluoroscopy (x-ray visualization). A pacing lead is placed into the heart after access to a vein in the arm, groin, neck, chest is obtained. Specific electrical parameters of the lead are checked, then the lead attached to a pacemaker often embedded in the upper chest wall, where small incision is made. ...Read more

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How do pacemakers function?

How do pacemakers function?

Pacemaker: When the heart rate slows down to a certain level the the pacer senses this then puts out an electrical impulse to cause the heart to contract. ...Read more

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