Your doctor should also know that! Also, what dose of
Coreg did you eventually hit? The target dose is 25
mg. twice a day. Until you are maxed out on these drugs, you should not be getting an ICD, IMO. Those are the guidelines from the heart association.! I didn't make any of this up.
Ok, lastly, intermittent afib can cause shortness of breath and fatigue. You lose the *atrial kick*. Your cardiac output is thus reduced.