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Doctor insights on: Pacemaker Interrogation

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Would a pacemaker repair atrial fibrillation?

Would a pacemaker repair atrial fibrillation?

Not directly.: Pacemakers might be implanted as part of a care plan for af - but this only prevents slow pulses that might come as a result of medications for the af or after av-node ablation. Pacemakers themselves can not prevent or control af. ...Read more

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Dr. Arnold Malerman
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 patients need an implantable cardioverter defibrillator?

What patients need an implantable cardioverter defibrillator?

Ventricular Arrhythm: Patients that have dangerous arrhythmias such as ventricular tachycardia or ventricular fibrillation are the usual candidates for an implanted cardio-verter defibrillator or icd. ...Read more

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What is an implantable cardioverter defibrillator?

What is an implantable cardioverter defibrillator?

Life saver: An implantable cardioverter defibrillator (icd) system has leads (wires) that are inserted through the veins under the collarbone and threaded to the heart. The leads are attached to a box that goes under the skin. The box has a computer that continuously monitors the signals from your heart for a dangerous arrhythmia. If this occurs, the icd stops the arrhythmia by delivering an internal shock. ...Read more

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Is an implantable cardioverter defibrillator removed in heart bypass surgery?

Is an implantable cardioverter defibrillator removed in heart bypass surgery?

No: The defib. Device is implatnted in the inner chambers of the heart and bypass is on the out side of the heart where the coronary arteries lie.Unless theres another reason to remove the device ie an infection the device is left in. ...Read more

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How does an implantable cardioverter defibrillator function?

How does an implantable cardioverter defibrillator function?

Detection: It detects fast heart beats above a threshold set by the cardiologist and programmed into the defibrillator and delivers a shock or atp - pacemaker override, depending on the heart rate. It will deliver subsequent shocks depending on the heart rate it detects. ...Read more

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Is an implantable cardioverter defibrillator usually efficient?

Yes: Implanted cardioverter defibrillators (icds) are the most effective treatment in terminating dangerous arrhythmias. Icds are not 100% effective, but are significantly better than medication alone. ...Read more

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I can't decide: implantable cardioverter defibrillator or heart bypass surgery?

I can't decide: implantable cardioverter defibrillator or heart bypass surgery?

Different things: Bypass surgery (CABG) treats the blockages in the heart vessels, while the defibrillator (icd) treats dangerous heart beats such as ventricular tachycardia or fibrillation. A person may need both, depending on their medical condition. ...Read more

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What is "intraoperative mapping atrial tachycardia"?

What is "intraoperative mapping atrial tachycardia"?

EP procedure: This is generally done in a cath lab using wires similar or pacemaker electrodes. They are inserted through blood vessels in the leg, and place into the heart. There they "read" electrical activity to determine where the abnormal conduction is taking place. Then the offending circuit can be severed using radio-frequency ablation. ...Read more

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What can be done for implantable cardioverter defibrillator versus heart bypass surgery?

What can be done for implantable cardioverter defibrillator versus heart bypass surgery?

Different indication: Aicd for arrhythmias and ventricular tachycardia and does not revascularize. Bypass for coronary blockage (which can have arrhythmias) to improve circulation and sometimes stops arrhythmias induced by ischemia- low flow. ...Read more

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What is a ventricular demand pacemaker?

What is a ventricular demand pacemaker?

Pacemaker function: It is a way for a pacemaker to only pace your heart when your heart rate is below a set rate (usually 60 beats per minute). ...Read more

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Does an holter montior detect cardiac arrythmias?

Does an holter montior detect cardiac arrythmias?

Holter monitor: Yes, but even better are monitors that you can wear for 2 - 4 weeks as they may pick up arrhythmias that may not show in a 24hr holter. ...Read more

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Why is an electrical shock delivered to correct abnormal heart rhythm?

Why is an electrical shock delivered to correct abnormal heart rhythm?

Highly effective: It "sets the clock back to zero" so to speak. It synchronizes all the electrically conducting cells in the heart to begin their cycle at the same instant. It interrupts and stops abnormal rhythms. It doesn't hurt and there are generally no side effects so in that regard, it's better than medicines. The downside is that one must be put to sleep, albeit briefly, for it. ...Read more

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Why does?An electrical shock delivered to the heart?Correct abnormal heart rhythms?

Why does?An electrical shock delivered to the heart?Correct abnormal heart rhythms?

Rebooting the system: Our heart works through electrical pathways. If these pathways get out of sync or mixed up then sometimes cardioversion or defibrillation a.K.A. "reboot of the system" can get the electricity back in sync. ...Read more

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What are fixed rate pacemaker and demand type pacemaker?

What are fixed rate pacemaker and demand type pacemaker?

Pacemakers: Fixed rate pacemakers stimulate the heart to beat all the time at a specified rate. Demand pacemakers only pace the heart if the rate falls below a certain set rate or irregularity in heartbeat occurs. ...Read more

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Would an echocardiogram detect an atrial fibrillation?

Yes: Although an echocardiogram can detect atrial fibrillation, there are easier ways to diagnose it. Your doctor should be able to tell if your pulse is irregular and confirm afib with a simple ekg. Atrial fibrillation sometimes makes interpretation of an echocardiogram more difficult if the heart rate is too fast. ...Read more

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Is it common to remove an implantable cardioverter defibrillator during heart bypass surgery?

Is it common to remove an implantable cardioverter defibrillator during heart bypass surgery?

No: It was put in for a reason so unless something has changed, it will ordinarily be left in place unless the battery is failing, in which case it would be replaced. ...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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