Flecainide-Induced QRS Complex Widening Correlates with Negative Inotropy

The negative inotropic effect of Class IC antiarrhythmic drugs limits their use for acute cardioversion of atrial fibrillation (AF).

Source: Heart Rhythm - April 10, 2021 Category: Cardiology Authors: Ana B. Rabelo Evangelista, Felipe R. Monteiro, Bruce D. Nearing, Luiz Belardinelli, Richard L. Verrier Source Type: research