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Doctor insights on: How Do Defibrillators Work

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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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Dr. Gregory Moneta
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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


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Do defibrillators work?

Oh yes: Defibrillators are extraordinarily effective devices for the treatment of what would otherwise be fatal lower chamber heart rhythms. That said, they must be used in an extremely timely fashion or their benefits will not prevent irreversible damage from the lack of blood flow seen in these dangerous rhythms. ...Read more

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How does a defibrillator work?

Defibrillator : An external defibrillator can be automatic or manned either way either a computer or the operator can determine the patient is having a lethal arrhythmia and electrical energy is delivered to the chest wall and the rhythm can be terminated. ...Read more

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Would a tazer work as a defibrillator?

No, but…: A taser cannot function as a defibrillator (the energies it utilizes are too low). It is a point of great medical and legal contention whether electronic control devices can in fact cause fibrillation, and the company taser has taken numerous legal actions in an effort to maintain medicolegal consensus that they cannot. I'll leave the matter at that. ...Read more

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How is a defibrillator made to work?

How is a defibrillator made to work?

Defibrillator: Defibrillaor's function is to sense a life sensing rhythm and quickly deliver a life-saving shock. It contains a sensor (consisting of electronic filters/amplifiers). It also contains a 3v battery that is quickly charged upto 750 volts with help of a transformer in matter of 5-15 seconds. A high voltage capacitor stores the charge that is then delivered to the heart to shock the heart. ...Read more

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Why would a defibrillator not work?

Debirillator: A defibrillator is an electric device and subject to all the failure modes of any electric device. Assuming the device has a good power source and all components are working and it delivers the shock appropriately, there is no guarantee the heart will respond. If the cardiac status is too far gone electrophysiologically the rhythm won't convert. ...Read more

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Do defibrillators work in asystole?

Do defibrillators work in asystole?

No: Defibrillators work to disrupt an irregular, rapid, pathological heart beat. They don't "jump start" a heart that is not beating. ...Read more

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How does icd or defibrillator extraction work?

How does icd or defibrillator extraction work?

Surgery: An icd (implantable cardioverter defibrillator) is a device implanted under the skin and connects to leads inserted in veins to the heart or occasionally placed surgically directly on the surface of the heart. The icd can be changed out under local anesthesia as an outpatient as long as the leads are functional. Lead change out is done by laser or mechanical extraction under deep anesthesia. ...Read more

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Can you tell me how can cardic defibrillator's affect quality of life, ability to work?

Can you tell me how can cardic defibrillator's affect quality of life, ability to work?

2 answers:: Defibrillators prolong life. Proven fact. They don't interfere with ability to work but the disease for which they're indicated often does. Quality of life: if they shock you, they ruin your quality of life because you never know when it's coming. Some people can live with that. Other's can't. ...Read more