Key result
Incremental intravenous adenosine administration revealed clinically silent dual AV nodal pathways in only 2.7% (95% CI 0-8%) of patients with no history of AV nodal reentrant tachycardia.
Why the study?
Does incremental intravenous adenosine administration identify clinically silent dual AV nodal pathways in patients with no prior history of AVNRT undergoing electrophysiologic study?
Population
37 patients with no prior history of atrioventricular nodal reentrant tachycardia undergoing…
Design
Cross-sectional
Authors
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Rare adenosine detection of silent dual AV nodal pathways without AVNRT history; hypothesis-generating and should not yet change practice.
Cross-Sectional (n=37)
Does incremental intravenous adenosine administration identify clinically silent dual AV nodal pathways in patients with no prior history of AVNRT undergoing electrophysiologic study?
Incremental adenosine infusion during electrophysiologic study is a highly specific diagnostic tool for dual AV nodal pathways, as it rarely causes abrupt AH interval prolongation in patients without a history of AVNRT.
Burkart et al. (2002) conducted a cross-sectional in No prior history of AV nodal reentrant tachycardia (n=37). Intravenous adenosine was evaluated on Abrupt prolongation of the AH interval (clinically silent dual AV nodal pathways) (95% CI 0-8). Incremental intravenous adenosine administration revealed clinically silent dual AV nodal pathways in only 2.7% (95% CI 0-8%) of patients with no history of AV nodal reentrant tachycardia.
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