T
tess
Hi. My best friend had an artificial valve in January 02, together with a portion of her aorta replaced. She was on beta-blockers which slowed her heart rate so far that she was having dizziness and fainting. She is now off the betablockers and has had headaches that did come and go, are now pretty steady, and become reallly agonizing during exercise or exertion. Has anyone else had this experience?