Quantitative evaluation of different high-density 3D mapping modes for atrial and ventricular substrate assessment of cardiac arrhythmias with the HD grid catheter

Hohendanner, Felix; Kuhlmann, Susanne D.; Blaschke, Florian; Lacour, Philipp; Dimai, Sanzio; Pieske, Burkert; Boldt, Leif‐Hendrik; Parwani, Abdul Shokor

doi:10.1016/j.jelectrocard.2020.10.012

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Low-voltage Areas Identified With New Mapping Catheters and ...1

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“…In both atria and the ventricle, automated selection of larger bipolar amplitudes among the orthogonal pairs consistently displays smaller low voltage areas than the other mapping catheters. [4][5][6] These data indicate that the detection of a low voltage is critically dependent on the orientation of the bipole relative to the wavefront.…”

Section: Low-voltage Areas Identified With New Mapping Catheters and ...mentioning

confidence: 84%

“…The GMC is the only available system that enables a simultaneous assessment of both the adjacent and orthogonal electrograms, and the wave algorithm enables the electrogram data acquisition to be less direction‐dependent to create voltage maps. In both atria and the ventricle, automated selection of larger bipolar amplitudes among the orthogonal pairs consistently displays smaller low voltage areas than the other mapping catheters 4–6 . These data indicate that the detection of a low voltage is critically dependent on the orientation of the bipole relative to the wavefront.…”

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confidence: 78%

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