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Doctor insights on: Cardiac Arrest, Pacemakers And Implantable Defibrillators

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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.

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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 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.

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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.

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How effective is an implantable cardioverter-defibrillator for treating cardiac arrest?

How effective is an implantable cardioverter-defibrillator for treating cardiac arrest?

ICD: The ICD is probably the most effective treatment for cardiac arrest as it is in place and monitoring for a shockable ventricular tachyarrhythmia. It is the fastest way to accomplish defibrillation.

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What benefit does the implantable cardioverter-defibrillator give to patients who have had a cardiac arrest or heart attack?

What benefit does the implantable cardioverter-defibrillator give to patients who have had a cardiac arrest or heart attack?

It may prevent death: Implantable cardioverter-defibrillators (icds) are used to treat ventricular tachycardia or ventricular fibrillation, which if untreated, may cause a fatal cardiac arrest. Icds can often quickly treat these conditions before permanent brain or heart damage can be done. Icds are not used to treat or prevent heart attacks, which are a "plumbing" issue.

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Each minute that defibrillator is delayed reduces the chance of survival of a cardiac arrest victim by how much?

Every minute counts: A rhythm which can be converted should be done as soon as possible. After 4minutes a good outcome is unlikely.

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A 68 year old man with pacemaker after a cardiac arrest in august is having angina after mild exertion. He is on 60 mgimdur but it is not working. Solution?

See you heart Dr: See you cardiologist, tell you cardiologist your symptoms and concerns, I am pretty sure that you doctor will be able to adjust the treatment to improve your symptoms.

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If you have a pacemaker, can you still have a heart attack / cardiac arrest?

If you have a pacemaker, can you still have a heart attack / cardiac arrest?

Yes: pacemaker helps to control or regulate the rhythm (electricity) of the heart. Heart attack is related to blockages of the arteries of the heart (plumbing, if you want the analogy). Pacemaker will prevent the heart beating too slow but will NOT prevent blockages from developing or producing heart attacks

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Can you still have a heart attack or go into cardiac arrest if you have a pacemaker?

Can you still have a heart attack or go into cardiac arrest if you have a pacemaker?

Yes: Both of these problems are due to issues not addressed by the pacemaker. A heart attack is generally due to a blockage and a heart artery, and cardiac arrest is usually due to an exceedingly fast heart rate where the pacemaker only fixes slow heart rates. A defibrillator is the device of choice to treat cardiac arrest.

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Pacemaker problem regarding heart attack/cardiac arrest, can you tell me about this?

Pacemaker problem regarding heart attack/cardiac arrest, can you tell me about this?

Unrelated: There is far less than a 1% risk of heart attack during pacemaker implantation. Once it is implanted, there is almost no way it could cause a significant heart attack. It will not prevent most cardiac arrests. An ICD can treat cardiac arrest from ventricular tachycardia or fibrillation

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I'm just wondering, if you have a cardiac pacemaker, can you have a heart attack or go into cardiac arrest?

I'm just wondering, if you have a cardiac pacemaker, can you have a heart attack or go into cardiac arrest?

Yes: The pacemaker will keep functioning with electrical stimuli when the detected pulse is below set rate. Heart attack- muscle death can happen. If it happens at site of pacer contact to heart, the pacer can fail to stimulate.

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If someone goes into cardiac arrest from extremely low potassium blood level. Would the defibrillator work? Or do they need the potassium

If someone goes into cardiac arrest from extremely low potassium blood level. Would the defibrillator work? Or do they need the potassium

Cardiac arrest?: Defibrillator r used in case of emergency to treat a cardiac arrest but it is important to check the reasons for the arrest and correct any lab abnormality.

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What to do if I had a major heart attack and I am 44 years old I have to have a pace maker and a defibrillator put in?

What to do if I had a major heart attack and I am 44 years old I have to have a pace maker and a defibrillator put in?

MI, ICD: With your combination of problems, you should have received instruction about your status and diet, exercise, not smoking, lots of medications and how to maximize your chances of length and quality of life. Look at this site and read as much as possible: http://www. Nlm. Nih. Gov/medlineplus/coronaryarterydisease. Html

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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)

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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.

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Dr. Hirenkumar Italia
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


Dr. Creighton Wright
3,964 Doctors shared insights

Heart Attack (Definition)

A life-threatening condition in which the blood vessels that supply the heart becomes occluded and thus the heart itself is not longer receiving any blood flow. Without this blood flow, the heart muscle dies and cannot pump blood to the ...Read more