I was able to do a computerized search of the medical literature for you on this subject. I've copied a few of the abstracts for you and attached them to this response below. You could get copies of these articles at your nearest medical library. If you have concerns regarding your irregular heartbeat, then I suggest that you speak with your cardiologist again. I hope this information is useful.
Information provided in the heart forum is for general purposes only.
Only your physician can provided specific diagnoses and therapies. Feel free to write back with further questions. The Heart Center website contains a directory of the cardiology staff that can be used to select the physician best suited to address your cardiac problem. Madeira H. Macieira-Coelho E. Institution Department of Cardiology, Sta. Maria University Hospital, Lisbon, Portugal.