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What Is Flecainide Used For?

Using Flecainide for Ventricular Arrhythmias

Ventricular arrhythmias are arrhythmias that occur in the lower chambers of the heart, or the ventricles. There are several different types of ventricular arrhythmias, and some are more serious than others.
Flecainide is used in people who have life-threatening types of ventricular arrhythmias, such as sustained ventricular tachycardia (SVT). When used in the treatment of SVT, flecainide should be started in a hospital setting. Because of the risks associated with its use and because it has not been shown to help people with heart arrhythmias live longer, the medication should not be used in people with less severe types of ventricular arrhythmia, even if symptoms are occurring.
Ventricular tachycardia occurs when the ventricles beat fast, but in a regular fashion. Sustained ventricular tachycardia is simply ventricular tachycardia that lasts for longer than a few seconds (it is sustained). SVT can be quite dangerous because it can turn into ventricular fibrillation, a serious arrhythmia in which the ventricles quiver instead of beating normally. Ventricular fibrillation is a medical emergency, as it can lead to death if not treated immediately.

How Does This Medication Work?

Flecainide belongs to a group of medications known as Class I antiarrhythmics. Class I antiarrhythmic medications block sodium channels in the heart. This slows down the speed at which electrical impulses move through the heart, which helps stabilize the heart rhythm.

Can Children Use It?

According to the manufacturer of flecainide, the medication has not been adequately studied in children. However, this does not mean the medication cannot be prescribed for a child. In fact, children's dosing information is available for flecainide.
It is recommended, however, that the medication be started in a hospital setting and overseen by a cardiologist with experience in treating children with arrhythmias. Talk to your child's healthcare provider about the risks and benefits of using this medicine in children.
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Flecainide Acetate Information

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