Abstract:Introduction: Occurrence of ventricular pause of more than 6 seconds following administration of 20 mg b&s of intravenous adenosine (ATP test) has been observed in a relatively high percentage of patients (pts) with unexplained syncope. However, these results have been reported in a relatively limited number of pts in only 2 series. The aim of OUT study was to assess the prevalence of this entity and pts' characteristics with positive ATP test in a larger single-center study.Methods: Pts were recruited consecu… Show more
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