Why the study?
Does pacemaker automatic mode switching accurately detect the duration and episodes of atrial fibrillation and atrial tachycardia compared to Holter recording?
Does pacemaker automatic mode switching accurately detect the duration and episodes of atrial fibrillation and atrial tachycardia compared to Holter recording?
Pacemaker automatic mode switching is a reliable measure for total AF duration but is inaccurate for AT duration or counting discrete arrhythmia episodes.
AMS supports total AF duration tracking via pacemakers; leaves open accuracy for AT duration and episode counts in prospective validation.
The total duration of AF is correctly represented by the total duration of AMS and can be considered a reliable measure of total AF duration. AT duration was poorly correlated with AMS duration. The number of mode switches does not reflect the number of episodes of AF/AT. Increased memory capacity allowing the storing of all EGMs triggered by the initiation of AF/AT would be the ideal setting with which to optimize the diagnostic performance of pacemakers.
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Voogt et al. (2006) studied this question.
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