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Doctor insights on: Cardioversion Procedure Note

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Is cardioversion risky? Is it an established procedure?

Is cardioversion risky? Is it an established procedure?

Shocks the heart: Cardioversion is the process of shocking the heart, usually to get it to stop some type of arrhythmia (or irregular heartbeat) and resume a regular heart beat. .. If used when the heartbeat is regular, it can cause an arrhythmia that may be life-threatening, such as ventricular fibrillation. .. ...Read more

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Dr. Samuel Hahn
117 Doctors shared insights

Cardioversion (Definition)

Electrical conversion ...Read more


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What diagnostic procedure would you expect prior to direct current cardioversion?

What diagnostic procedure would you expect prior to direct current cardioversion?

Depends: This would not apply to an emergency situation. Obviously, an electrocardiogram is done in all patient requiring cardioversion. Also, echocardiogram in most. Additional studies may be done based on situation/diagnosis. For example, in patients with atrial fibrillation, a transesophageal echocardiogram maybe needed. ...Read more

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How long should I be on blood thinners before I have a cardioversion procedure? I've been in atriol fibrulation for approx 2 months

How long should I be on blood thinners before I have a cardioversion procedure? I've been in atriol fibrulation for approx 2 months

Prior: Prior to recieving a cardioversion, your health care provider needs to ensure that there are no clots in the heart. If there is a clot in the heart at the time of the cardioversion, the patient is at high risk for suffering a stroke or a heart attack. Upon the diagnosis of arrhythmia, a patient will be placed on a blood thinning regimen, typically 4-6 weeks prior to undergoing a cardioversion. (a blood test can be performed to ensure your levels are in 'therapeutic' range).
However, the presence of clots anywhere in your body and heart could cause the cardioversion procedure to be postposed. Talk to your health care provider about why your procedure has been held. ...Read more

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How long should I be on blood thinners before I have a cardioversion procedure? I've been in atriol fibrulation for approx. 2 months

How long should I be on blood thinners before I have a cardioversion procedure? I've been in atriol fibrulation for approx. 2 months

Prior: Prior to recieving a cardioversion, your health care provider needs to ensure that there are no clots in the heart. If there is a clot in the heart at the time of the cardioversion, the patient is at high risk for suffering a stroke or a heart attack. Upon the diagnosis of arrhythmia, a patient will be placed on a blood thinning regimen, typically 4-6 weeks prior to undergoing a cardioversion. (a blood test can be performed to ensure your levels are in 'therapeutic' range).
However, the presence of clots anywhere in your body and heart could cause the cardioversion procedure to be postposed. Talk to your health care provider about why your procedure has been held. ...Read more

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I am due to have a Cardioversion for AFib, how long after the procedure is it safe to fly. I have an 11 hour flight booked.?

I am due to have a Cardioversion for AFib, how long after the procedure is it safe to fly. I have an 11 hour flight booked.?

Atrial fibrillation: That answer will be totally up to the cardiologist who did the cardioversion. You might not get the same answer from any two cardiologists It will depend on how likely they are to think that it is safe. You will need to ask them. Good luck. ...Read more

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Cardioversion - how long do I need to be on blood thinners before I have the procedure done? I've had atriol fibrulation for approx 2 months

Cardioversion - how long do I need to be on blood thinners before I have the procedure done? I've had atriol fibrulation for approx 2 months

Upon: Upon onset of atrial fibrillation, it will be important for you to be on blood thinners for 4 to 6 weeks to ensure there are no blood clots present in the heart prior to procedure. If there is a blood clot in your heart during the cardioversion procedure, the risk for heart attack and stroke are very high.
While on blood thinners, you will have regular appointments to have your blood drawn to ensure therapeutic ranges in the blood. The following blood tests will be assessed: protime and inr, which test how think your blood is.
If at anytime, your blood levels are not in therapeutic range (too high - high risk of bleeding or too low - high risk for clot), your dosage of blood thinners will be adjusted. ...Read more

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Who can have cardioversion?

Who can have cardioversion?

Almost anyone: If there is any compromise in bp, consciousness, breathing, anyone can be cardioverted. If more chronic, then making sure there is a low probability of a clot inside the heart (that could be disrupted and cause an embolic event), sorting the need for prophylactic blood thinning to avoid a clot, making sure the atria (upper heart chambers) are not too large (reduced success) help select patients. ...Read more

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How long is a cardioversion?

Less than 30 minutes: Sedation is given to the patient and an electrical shock is then given to cardiovert the heart back into a regular rhythym. This procedure usually is quite guick lasting in total 30 minutes or less. Delivery of the shock takes 2 seconds and then waiting to see if the rhythym has converted from one shock or reguires several more takes time. Time is then needed for the patient to be fully awake. ...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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How risky is a cardioversion?

Low Risk: This is a very low risk procedure if proceeded by a tee, transesophogael echocardiogram. ...Read more

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Can cardioversion result in death?

Can cardioversion result in death?

Yes: There are complications of cardioversion such as stroke or rhythm problems that rarely could result in death. ...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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Cardioversion won't 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's next if cardioversion didn't work?

AF Ablation & Rx: Intracardia arrythmia ablation. This procedure is done by an electrophysiologist cardiologist. And if that doesn't work the heart rate can be controlled by medication plus a blood thinner. ...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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What purpose is dc shock for cardioversion?

What purpose is dc shock for cardioversion?

Reset button: Enough current applied through the chest wall and into the heart will basically depolarize all of the heart muscle at once. As the heart electrically recovers, "normal" electrical activity has a chance to return - basically it resets the electrical activity of the heart. ...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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