Flecainide acetate (Tambocor) is a Class 1 anti-arrhythmic (local anaesthetic) agent for the treatment of the conditions listed in Indications when these are resistant to other therapy or when other treatment is unsatisfactory. It is recommended that treatment with Flecainide acetate (Tambocor) should be initiated in hospitals.
Flecainide acetate (Tambocor) slows conduction through the heart, having its greatest effect on His-bundle conduction. It also acts selectively to increase anterograde and particularly retrograde accessory pathway refractoriness. Its actions may be reflected in the ECG by prolongation of the PR interval and widening of the QRS complex. The effect on the JT interval is insignificant at therapeutic levels.