"' Sparteine "'is a class 1a antiarrhythmic agent; a sodium channel blocker.
22.
Reducing frequent PVC ( > 20 % ) by antiarrhythmic drugs or by catheter ablation significantly improves heart performance.
23.
As with all other antiarrhythmic agents, there is a risk of proarrhythmia associated with the use of flecainide.
24.
In patients with TIC due to VT or PVCs, both antiarrhythmics and RF catheter ablation can be used.
25.
It is still unclear as to whether opening of K ATP channels has completely pro-or antiarrhythmic effects.
26.
This risk is probably increased when flecainide is co-administered with other class Ic antiarrhythmics, such as encainide.
27.
As a result, propoxyphene and norpropoxyphene appear to have the characteristics of a Vaughn-Williams Class Ic antiarrhythmic.
28.
Therapeutic modalities employed in this field include antiarrhythmic drug therapy and surgical implantation of pacemakers and implantable cardioverter-defibrillators.
29.
;Tricyclic antidepressants ( TCAs ) : TCAs behave like type Ia antiarrhythmics and could terminate ventricular fibrillation and decrease contractility.
30.
"' Procainamide "'is a medication of the antiarrhythmic class used for the treatment of cardiac arrhythmias.
