Why the study?
Does optimizing AV delay improve time velocity integral in patients with dual chamber pacemakers?
Population
11 patients treated with dual chamber pacemakers under the diagnosis of complete heart block or sick sinus…
Comparison
AV sequential pacing with AV delays programmed… vs Different AV delays compared within the same…
Design
Cross-sectional
Authors
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Individual AV delay optimization may be preferable in dual-chamber pacemakers; observational data leaves open confirmation in prospective trials.
Does optimizing AV delay improve time velocity integral in patients with dual chamber pacemakers?
An AV delay of 150 ms provides the greatest time velocity integral on average at heart rates of 50-80 bpm, but wide individual variations suggest the need for patient-specific AV delay algorithms.
Lee et al. (2000) studied this question.
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