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What Is Flecainide Used For?

Flecainide Use for Paroxysmal Atrial Fibrillation/Flutter (PAF)

Atrial fibrillation, which is sometimes simply called "afib," is the most common type of heart arrhythmia. It occurs when rapid, chaotic electrical signals spread through the atria, causing them to quiver (or fibrillate) instead of beating in a normal manner. As a result, the atria cannot effectively pump blood into the ventricles, and blood collects in the atria instead.
In atrial fibrillation, the electrical signal to the ventricles is also irregular or incomplete, so the contractions of the atria and the ventricles are no longer synchronized. This causes the ventricles to also beat more rapidly and irregularly.
Atrial flutter is similar to atrial fibrillation. However, in atrial flutter, the ventricles beat too quickly, but in a regular manner.
Not everyone with atrial fibrillation or flutter will experience symptoms. When symptoms do occur, they may include:
  • Feelings of a racing, pounding, or fluttering heart
  • An irregular or fast heartbeat
  • Dizziness or lightheadedness
  • Shortness of breath
  • Chest tightness or discomfort.
(Click Symptoms of Atrial Fibrillation to learn more about possible afib symptoms.)
People with paroxysmal atrial fibrillation have periodic irregular heartbeats; however, the heart will usually spontaneously return to its normal rhythm independently in minutes, hours, or days later. Flecainide is approved to prevent episodes of PAF that cause disabling symptoms in people who do not have structure defects of the heart.
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Flecainide Acetate Information

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