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A member asked:
How is sotalol different than other beta blockers like atenolol in terms of av node arrhythmias?
4 doctors weighed in across 2 answers
Different class: There are four classes of antiarrhytmic drugs. Most beta blockers are class II. Sotalol is a betablocker, but it also blocks potassium channels, which makes it a class III antiarrhytmic. Potassium channel blockers make AV conduction slower, and that helps control certain arrhythmias that involve AV mode.
Answered 8/21/2019
146 views
Work differently: Sotalol is unique among the beta blockers because it has an added effect of impacting electrical synchrony of the heart at normal doses in addition to what all of them do: lower heart rate. Drugs that impact electrical conduction that way also have an added risk of causing arrhythmias, so they are not always the first choice in treating arrhythmias.
Answered 8/20/2019
146 views
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