What is your preferred method for subclinical CAD screening prior to initiation of class IC antiarrhythmic drugs for atrial fibrillation?

Flecainide and propafenone are the IC agents in use for atrial fibrillation. Encainide and moricizine were predominantly used for ventricular arrhythmias and encainide was pulled a long time ago due to proarrhythmia concerns and I believe Ethmozine stopped being marked many years ago.

The CAST trial ...

Thanks for all the very thoughtful comments. These are most helpful. Thanks for also providing the references. I appreciate it.

I have struggled with this question for many years. I have many patients who are over 80 years old and have been doing extremely well on Flecainide as regards their atrial ...