1. Many attempts have been made to classify antiarrhythmic agents . 2. As with all class I antiarrhythmic agents , Flecainide increases the capture thresholds of pacemakers. 3. It is used as an antiarrhythmic agent . 4. It is a Class III antiarrhythmic agent , whereas procainamide is a Class Ia antiarrhythmic drug. 5. For diseases of the heart rate or rhythm, a number of different antiarrhythmic agents are used. 6. "' Sparteine "'is a class 1a antiarrhythmic agent ; a sodium channel blocker. 7. As with all other antiarrhythmic agents , there is a risk of proarrhythmia associated with the use of flecainide. 8. The problem arises from the fact that many of the antiarrhythmic agents have multiple modes of action, making any classification imprecise. 9. If antiarrhythmic agents are used, their efficacy should be guided by series ambulatory holter monitoring, to show a reduction in arrhythmic events. 10. "' Quinidine "'is a pharmaceutical agent that acts as a class I antiarrhythmic agent ( Ia ) in the heart.
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