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Doctor insights on: Will An Internal Defibrillator Keep On Shocking The Heart When The Patient Dies

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Will an internal defibrillator keep on shocking the heart when the patient dies?

Will an internal defibrillator keep on shocking the heart when the patient dies?

No: Most defibrillators will stop after 10-15 shocks. Also, death occurs from asystole so a defibrillator would eventually sense that and try to pace but not shock. ...Read more

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Dr. William Walsh
1,214 doctors shared insights

Shock (Definition)

A condition in which a person cannot circulate enough blood (carrying oxygen and nutrients) to the vital organs in the body. If shock persists, various parts of the body will stop working, and the person will die. Causes of shock include injuries, excessive bleeding, heart failure, infections, chemical imbalances, ...Read more


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Do patients with cardiac defibrillators physically feel the shock? Or is it just like normal heart electricity where you feel nothing at all?

Do patients with cardiac defibrillators physically feel the shock? Or is it just like normal heart electricity where you feel nothing at all?

ICD: When an ICD discharges the patient feels the jolt. It is not a sensation most of the patients enjoy other than knowing it likely saved their life. ...Read more

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Why do paramedics use defibrillators with a heart attack patient?

Why do paramedics use defibrillators with a heart attack patient?

Fibrillation : Some patients who suffer a heart attack develop deadly heart rhythms called ventricular tachycardia or fibrillation. The heart does not contract properly under these conditions and without external defibrillation to shock the heart back into normal the patient would die. ...Read more

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If i'm a heart patient (with pacemaker/defibrillator), diabetic, can I take a natural thyroid supplement for my hypothyroidism?

If i'm a heart patient (with pacemaker/defibrillator), diabetic, can I take a natural thyroid supplement for my hypothyroidism?

No to "natural": If you are hypothyroid, you should take levothyroxine. So called "natural" thyroid is from slaughterhouse bovine thyroid, and contains a mixture of different thyroid hormones. The dose is not consistent, and it is harder for your doctor to follow and monitor. The consequences of hypo- or hyperthyroidism (from the pill) are much worse if you are diabetic and have heart problems. ...Read more

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What patients should get an implantable cardioverter-defibrillator (icd) for heart failure?

What patients should get an implantable cardioverter-defibrillator (icd) for heart failure?

New Guidelines: This is somewhat complex and will not all fit in 400 characters so I am creating initials. 1. Ischemic cardiomyopathy, i.C., with ejection fraction, ef, >30% but <35%, newyork heartassoc, nyha, class ii or iii, and >30 days post mi/revascularization. 2. Ic, ef <30%. 3. Ic, ef between 36-40% with inducible ventricular fibrillation or tachycardia, 4. Non-ic with ef <35% and nyha class ii or greater. ...Read more

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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. ...Read more

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Could an internal defibrillator increase the ejection fraction of the heart?

Could an internal defibrillator increase the ejection fraction of the heart?

ICD: An ICD which works only in the right ventricle doesn't do anything positive for EF. A biventricular pacing defibrillator's biV pacing component can cause small increases in EF when pacing as a BiV pacer in a patient whose native QRS duration is over 0.12 sec. ...Read more

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My friend claimed that the paramedics abused him with the defibrillator after being conscious from the fist shock. Will his heart be okay?

Defibrillation: Will the defibrillation cause long term damage to the heart? No. The more pressing question is: Why did he require defibrillation in the first place?….the answer to that is the key to his long term health. What kind of arrhythmia did he have and why? ...Read more

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Internal defibrillator implanted for VT with no structural heart disease, (idiopathic). Only 20 years old. Is longevity affected by this?

Internal defibrillator implanted for VT with no structural heart disease, (idiopathic). Only 20 years old. Is longevity affected by this?

Ventricular Tachy: You need to discuss this with your cardiologist. Generally VT without structural or functional heart disease is low risk for shortening longevity. Without knowing more about you, it isn't possible to give you reassurance from out here. ...Read more

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How does a defibrillator restart a stopped heart?

How does a defibrillator restart a stopped heart?

By resetting it: A defibrillator restart a heart in an abnormal rhythm, the defibrillator sends an electrical shock to clear the abnormal rhythm, with the hope that the normal heart rhythm will restart. If there is no electrical activity- flat line, or asytole. There is no role for a defibrillator. ...Read more

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Could a person with a heart defibrillator implanted live shorter life?

AICD: Most people with an AICD implanted have serious underlying heart disease and are at risk for living a shorter life than if they were normal. ...Read more

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How external defibrillator work on the heart and what is the mechanism of action of the external defibrillator?

How external defibrillator work on the heart and what is the mechanism of action of the external defibrillator?

Ext defibrillators: There are 3 types. Manual defib- used by medical staff, automatic ones (aed's) found at airports, casinos, stadiums and wearable devices (lifevest)- worn while waiting for permanent one. All 3 devices monitor the heart and if the rhythm is ventricular tachycardia or fibrillation it delivers a painful but lifesaving electrical shock of up to 360 joules. The heart rhythm usually resets to normal. ...Read more

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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 ...Read more

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Can a defibrillator restart a heart that stopped?

Can a defibrillator restart a heart that stopped?

Yes: Depending on why the heart stopped, debrillators can definitely restart a heart that has stopped. It is always worth a try. ...Read more

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Is there a different way to start the heart if it suddenly stops without using a defibrillator?

Is there a different way to start the heart if it suddenly stops without using a defibrillator?

Yes: Occassionally a precordial thump i.E a punch in the left chest can do the job. However, often a defibrillator is needed. ...Read more

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Does the ICD defibrillator control the heart rate?

Does the ICD defibrillator control the heart rate?

Usually not: Usually the defibrillator just shocks the heart out of a dangerous rhythm. But if it is both a pacemaker and defibrillator, then it may control the heart rate. ...Read more

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Dr. Tanya Russo
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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