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Doctor insights on: Asynchronous 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 a sync 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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Cardioversion wont work on me. Why?

Cardioversoin: Electrical cardioversion doesn't work in every situation and for instance atrial fibrillation with a very large left atrium is very difficult to cardiovert. Depends on what your situation is... ...Read more

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How is a cardioversion administered?

With paddles: The patient is sedated in preparation for the shock. Paddles are placed on the chest once the patient is asleep, and a properly timed shock is delivered to restore normal rhythm. Sedation is allowed to wear off. ...Read more

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What is the function of an cardioversion?

What is the function of an cardioversion?

Restore: Restore regular heart rate and rhythm and to restore synchrony of the heart. ...Read more

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How many watts are used for cardioversion?

How many watts are used for cardioversion?

Cardioversion: We generally administer electrical cardioversion in watt-seconds or joules. For afib we usually use a synchronized shock of 100-200 watt-seconds, depending on patient size and other factors. For vfib at least 200 watt-seconds. Modern systems use a biphasic system. ...Read more

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How effective is cardioversion in helping af?

A good start: Cardioversion is a great first step in managing AF. The procedure is generally very low risk and is highly effective at restoring normal rhythm. The hard part is maintaining normal rhythm. The heart tends to want to go back into AF without rhythm controlling medications or elimination of the trigger for AF (such as excess alcohol, uncontrolled blood pressure, sleep apnea, etc.). ...Read more

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How effective is cardioversion for helping af?

How effective is cardioversion for helping af?

Effective: If the patient is an appropriate candidate: symptomatic, af unresolvable by medication only, other medical factors the cardiologist will consider, then yes, cardioversion is effective for regaining normal sinus rhythm. Like all therapies, it is not 100% effective and must be evaluated for each individual patient. ...Read more

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