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Doctor insights on: Pacemakers And Implantable Defibrillators

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Dr. Jason Rubenstein
61 doctors shared insights

Pacemakers And Implantable Defibrillators (Overview)

Pacemakers and implantable defibrillators are devices inserted into the heart that either provides an electrical shock at a regular rhythm to keep the heart paced properly or that shock the heart back into a normal rhythm in case of an arrhythmia.


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What can interfere with pacemakers and implantable defibrillators?

What can interfere with pacemakers and implantable defibrillators?

Pacemakers: Strong magnetic fields such as those used in security metal detectors and magnetic fields produced by large electric motors can interfere with pacemaker and defibrillator function. They may not necessarily turn a device "off" but can interfere with its programming. With only rare exceptions, patients with these devices need to avoid MRI scanners. Patients with these devices can have ct scans. ...Read more

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Dr. Jason Rubenstein
61 doctors shared insights

Pacemakers And Implantable Defibrillators (Overview)

Pacemakers and implantable defibrillators are devices inserted into the heart that either provides an electrical shock at a regular rhythm to keep the heart paced properly or that shock the heart back into a normal rhythm in case of an arrhythmia.


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What can interfere with pacemakers and implantable defibrillators?

Pacemakers: Strong magnetic fields such as those used in security metal detectors and magnetic fields produced by large electric motors can interfere with pacemaker and defibrillator function. They may not necessarily turn a device "off" but can interfere with its programming. With only rare exceptions, patients with these devices need to avoid MRI scanners. Patients with these devices can have ct scans. ...Read more

See 2 more doctor answers
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What can interfere with pacemakers and implantable defibrillators?

What  can interfere with pacemakers and implantable defibrillators?

Pacemakers: Strong magnetic fields such as those used in security metal detectors and magnetic fields produced by large electric motors can interfere with pacemaker and defibrillator function. They may not necessarily turn a device "off" but can interfere with its programming. With only rare exceptions, patients with these devices need to avoid MRI scanners. Patients with these devices can have ct scans. ...Read more

See 2 more doctor answers
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What things interfere with pacemakers and implantable defibrillators?

What things interfere with pacemakers and implantable defibrillators?

Not much: Common household appliances and cellular phones are generally safe to use near an implantable defibrillator. It is best to avoid sources of significant electric current. For example, you should keep your icd 2 feet from an arc welder. You should not lean over your car engine while it is running. It is best to also keep large magnets off your device as well since this can affect its performance. ...Read more

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If you have a pump, can you also have a pacemaker or an implantable cardioverter defibrillator?

If you have a pump, can you also have a pacemaker or an implantable cardioverter defibrillator?

Yes if you mean LVAD: If by pump you mean left ventricular assist device (lvad), then yes you can have a pacemaker/icd, and most people that require a lvad already have an icd. ...Read more

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Why are implantable defibrillators placed on the left side of the chest instead of the right side?

Why are implantable defibrillators placed on the left side of the chest instead of the right side?

Most in left side: Because the electricity to defibrillate flows between the electrode that is positioned in the right ventricular floor and the defibrilator generator (that is what closes the circuit). Most of heart is in between those two electrical poles. Still, they can be put in the right side of chest and the circuit is closed by the generator or by a coil of the RV electrode (in the superior vena cava IVC) ...Read more

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Why would the implantable cardioverter-defibrillator not start a pacemaker when the pacemaker shut off?

???: I think there may be some confusion. An implanted cardio-verter defibrillator delivers a shock when certain rhythms are detected per the parameters or threshholds set by the cardiologist. The pacemaker paces the heart - the pacemaker would only 'shut off' if it was end of life, i.e. Expired battery. The icd is a pacemaker and a defibrillator and they serve two functions, both tied to heart rhythm. ...Read more

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How do pacemakers and defibrillators work?

How do pacemakers and defibrillators work?

Heart Rhythm: Pacemakers control the rate of the heart's beat. Defibrillators deliver shock(s) to try to return the heart to a normal rhythm. ...Read more

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Is pacemaker the same function as defibrillator?

Is pacemaker the same function as defibrillator?

No.: Both defibrillators (icds) and pacemakers can treat slow heart rhythms. Some pacemakers can perform anti-tachycardic pacing, which can terminate some upper-chamber tachycardias. For the most part, however, tachycardias can not be treated by a pacemaker - and implantable cardioverter-defibrillator is required. ...Read more

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Dr. Hirenkumar Italia
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


Dr. Sanjiv Kaul
1 doctor shared a insight

Defibrillator (Definition)

Defibrillation is a common treatment for life-threatening cardiac dysrhythmias, ventricular fibrillation, and pulseless ventricular tachycardia. Defibrillation consists of delivering a therapeutic dose of electrical energy to the affected heart with a ...Read more