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A 31-year-old member asked:

can a pacemaker revive someone from a fatal arrhythmia?

4 doctor answers8 doctors weighed in
Dr. Robert Vogt Lowell
Specializes in Pediatric Cardiology
Depends: If what you have is purely a pacemaker that makes sure your heart beats at a certain rate per minute but is not able to detect a potentially dangerous abnormal heart rhythm then it won't help. Now if the device you have is a combination pacemaker and aicd (cardioverter-defibrillator) then this device is in theory capable of recognizing a dangerous heart rhythm and shocking you out of it.
Dr. Barton Cook
Pediatric Cardiology 31 years experience
Fatal arrhythmia: A pacemaker/defibrillator can potentially revive, or cardiovert, a life threatening arrhythmia.
Dr. Jason Rubenstein
Cardiology 20 years experience
Probably not.: Pacemakers can prevent bradycardia (slow pulse) or even heart block (no pulse). 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.
Dr. Sergio Cossu
Cardiology 33 years experience
Only if slow: A pacemaker will revive you from a dangerously slow heart rhythm. Most fatal arrhythmias however are due to ventricular arrhythmias that lead to cardiac arrest. These are very fast rhythms in which a pacemaker won't do anything for but an implantable defibrillator would help.

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Can abnormal heart rhythms be detected with weekly fetal monitoring?

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Yes: Weekly fetal heart monitoring is usually done for other reasons, like diabetes. Sometimes an abnormal heart rate is detected. Most of the time these are not significant.
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Can radiofrequency cardiac ablation help cure arrhythmia?

3 doctor answers9 doctors weighed in
Dr. William Scott
Pediatric Cardiology 39 years experience
Yes: The more general term for the procedure is catheter ablation. In essence the abnormal tissue in the heart that is supporting or causing the arrhythmia can be destroyed by either burning it (radiofrequency ablation) or by freezing it (cryoablation). For many arrhythmias, this treatment is highly effective with cure rates approaching 100%.
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A 38-year-old member asked:

How often do cardiac ablation surgeries result in complications requiring pacemakers implantation?

3 doctor answers6 doctors weighed in
Dr. Michael Fenster
Cardiology 31 years experience
Nodal ablation: In ablating cardiac dysrhythmias, the ablation catheters can sometimes affect the conduction to or from the atrio-venticular node (avn). This is an important regulator of heart rate and if affected the reslutant 'escape rhythm' may be too slow to accomadte normal activity; thus a pacemaker is required. In some conditions, like atrial fibrillation, the goal may be avn ablation and pacemaker implant.
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A 37-year-old member asked:

How can I tell if I have or what kind of heart arrhythmia I might have?

2 doctor answers3 doctors weighed in
Dr. William Scott
Pediatric Cardiology 39 years experience
It must be recorded: Precise diagnosis of a suspected arrhythmia requires a recording at the time of symptoms. Sometimes the problem is frequent enough to be demonstrated on a routine electrocardiogram (ecg). More often the symptoms are intermittent. There are several types of monitors that patients may wear or carry with them to obtain this recording when they feel symptoms.
A 30-year-old member asked:

How can you determine if my unexplained fainting is due to arrhythmia?

3 doctor answers10 doctors weighed in
Dr. William Scott
Pediatric Cardiology 39 years experience
Event recorder: In order to be certain, a recording at the time is symptoms is necessary. Depending upon the frequency of the symptoms, there are different types of recorders/ monitors that are available.

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Last updated Jan 22, 2019
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