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Flecainide induced atrial tachycardia with 1:1 ventricular conduction during exercise testing
D N Randazzo1, P Schweitzer, E Stein
1Department of Medicine, Beth Israel Medical Center, NY, NY 10003.
Pacing and Clinical Electrophysiology : PACE
|September 1, 1994
Summary
Flecainide can rarely cause wide complex tachycardias, a proarrhythmic effect. Differentiating these arrhythmias during stress testing requires careful electrocardiogram interpretation.
Area of Science:
- Cardiology
- Clinical Electrophysiology
Background:
- Wide complex tachycardias (WCTs) can be a proarrhythmic effect of antiarrhythmic drugs.
- Flecainide is used for atrial dysrhythmias but carries a risk of proarrhythmia.