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Doctor insights on: What Is The Difference Between Asynchronous And Synchronized In Cardioversion

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Developed arythmia 18 months ago. Didn't have insurance at the time, so I let it go. Was still able to run, play soccer, swim. My Prime care physician recommended cardioversion....but that failed twice. Finally, Oct 1st of 2014, I had a 6 1/2 hour ablatio

Developed arythmia 18 months ago. Didn't have insurance at the time, so I let it go. Was still able to run, play soccer, swim. My Prime care physician recommended cardioversion....but that failed twice. Finally, Oct 1st of 2014, I had a 6 1/2 hour ablatio

Happy to help but: Can you try to focus in on the question but limited too much information, as otherwise it's unclear as to exactly what your question is. If you feel like it is rather complex, consider a formal consultation through HealthTap Prime. ...Read more

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Dr. Samuel Hahn
111 doctors shared insights

Cardioversion (Definition)

Electrical conversion ...Read more


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What are the differences between asynchronous and synchronous cardioversion?

What are the differences between asynchronous and synchronous cardioversion?

Heart Cycle: Synchronous is when the shock is delivered on the qrs portion of the heart cycle - it is when the heart depolarises. Asynchronous cardioversion can occur anywhere on the heart cycle. ...Read more

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What is the difference between cardioversion and TEE cardioversion?

TEE is separate test: A cardioversion is the procedure in which a shock is delivered to restore the heart to normal rhythm. Sometimes a test called a TEE (transesophageal echocardiogram) is performed before the cardioversion to look for clot in the heart, which would make it dangerous to proceed with the shock. The TEE is an ultrasound test done from the esophagus to allow a close inspection of the heart. ...Read more

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What is the difference between cardioversion and defibrillation?

Cardiovert: Cardioversion is the process of converting an abnormal cardiac rhythm to normal. It encompasses any means of doing that. Defibrillation is a subset of cardioversion. It is when a fibrillation rhythm, atrial or ventricular is converted to a more normal rhythm ...Read more

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What is the difference between cardioversion and transcutaneous pacing?

Transcutaneous pace: Cardioversion is the process of converting an abnormal cardiac rhythm to normal. It encompasses any means of doing that. Transcutaneous pacing is an electrical procedure to deliver a stimulus to the heart to make its rhythm follow the stimulus, the stimulus is delivered in this case thruogh the skin. ...Read more

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What is the difference between cardioversion and pacing?

Cardioversion and pa: Cardioversion is usually a single large shock delivered to the heart during an arrhythmia to stop it and let it restart with a normal rhythm. Pacing is small shocks applied to restore normal timing to the cardiac events, especially when the intrinsic rate/rhythm are too slow. ...Read more

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What is difference between cardioversion and defibrillation?

Voltage: Cardioversion means using a stimulus to change the heart's beat from an abnormal rhythm to a normal one. Certain drugs can be used, or electricity, usually only a low voltage is required unless the abnormal rhythm is a very dangerous one called ventricular fibrillation. When the rhythm is ventricular fibrillation, usually more voltage (electricity) is needed, and it is called defibrillation. ...Read more

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Is there a difference between cardioversion and defibrillation?

Yes: Cardioversion encompasses defibrillation. Technically, if one is not in a fibrillating rhythm, the proper term for the act of delivering a shock to convert the rhythm back to normal is cardioversion, not defibrillation. In practice, the two terms are often used interchangeably however. ...Read more

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When should doctors use a synchronized cardioversion?

Synchronized version: When normal ventricular activty is present as in atrial tachycardias/atrial fibrillation we use synchronized cardioversion, also with regular ventricular tachycardia. We primarily use cardioversion without synchronization when ventricular fibrillation is present. ...Read more

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What is synchronized cardioversion?

Timed shock: This is a cardioversion (shock) given to the heart that is timed to a certain point in the cardiac cycle so that the heart rhythm can be reset without causing further rhythm problems. This is the most common type of shock delivered for rhythms such as atrial fibrillation. ...Read more

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