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  • Title: Underestimation of pacing threshold as determined by an automatic ventricular threshold testing algorithm.
    Author: Sauer WH, Cooper JM, Lai RW, Verdino RJ.
    Journal: Pacing Clin Electrophysiol; 2006 Sep; 29(9):1028-30. PubMed ID: 16981932.
    Abstract:
    In this case report, we describe markedly different pacing thresholds determined by a manual threshold test and the automatic Ventricular Capture Management algorithm. The discrepancy in pacing threshold values reported was due to the difference in the AV intervals used with the different testing methods. We propose that the differences in right ventricular dimensions with altered diastolic filling periods affected the threshold in this patient with a new passive fixation lead in the right ventricular apex.
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