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Doctors' Answers to "Frequently Asked Questions" - Sectrol
Sectrol [posted 1/5/99]
Answer: Probably because they originate from a different site or the drug is in reality only partially successful. This is pretty common with most of the anti-arrhythmic drugs. Risks of an ablation are pretty small if performed by someone with some experience. Risks would center around occasional excess voltage that would damage functioning heart muscle, damage that would result in a pacemaker, etc. As you describe it, you would probably be a good choice for ablation, but see someone who has been doing it for awhile.
Sectrol vs. Tenormin [posted
Answer: Sectrol is a lot different in some ways than atenolol. Sectrol is a selective beta blocker that also has some intrinsic sympathomimetic activity. The sympathomimetic activity is the difference. This means the drug can be used in patients with heart failure - where beta blockers are used with extreme caution. There would likely be little difference in suppression of arrhythmias and for your use are probably similar, but there is a difference in these two drugs.
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