pubmed:abstractText |
Recurrence of atrial flutter (AFl) on antiarrhythmic drugs is frequently observed. To determine the reasons for drug inefficacy, the electrophysiological parameters of AFl were studied in eight patients without drug, six patients on sotalol (Sot), eight patients on amiodarone (Amio) and four patients on propafenone (PPF) who presented to the electrophysiology laboratory for conversion of AFl by rapid atrial pacing.
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