October 1, 1966CirculationOpen Access

Intrinsic Properties of Uncorrected and Highly Corrected Leads

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Population

Electrically homogeneous human torso model (electrolyte-filled model)

Comparison

Various electrocardiographic lead connections… vs Ideal vectorcardiographic system and ideal…

Design

Preclinical

Authors

DBDaniel A. BrodyUniversity of California, San Francisco RARobert ArzbaecherAnalog Devices (United States)HPHarry A. PhillipsVirgin Care

Discussion

Member takes

Implication

Grid-based corrected leads merit human validation studies; leaves open any clinical vectorcardiographic advantage over cube or tetrahedron systems.

Structured PICO

Population

Electrically homogeneous human torso model (electrolyte-filled model)

Intervention

Various electrocardiographic lead connections including cube, tetrahedron, conventional precordial (V1-V6), augmented unipolar extremity leads, and constructed highly corrected anteroposterior and transverse vectorcardiographic leads

Comparator

Ideal vectorcardiographic system and ideal unipolar leads

Outcome

Dipolar and nondipolar sensing characteristics (intrinsic properties)surrogate

The study demonstrates that corrected vectorcardiographic leads using a weighted grid system provide superior accuracy compared to uncorrected cube and tetrahedron systems in a torso model.

Limitations

Thoracic structures are not electrically homogeneous or isotropic

Cite This Study

Brody et al. (1966) studied this question.

synapsesocial.com/papers/6a82479d477bdf2e97a20c0a https://doi.org/10.1161/01.cir.34.4.638

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Implication

Grid-based corrected leads merit human validation studies; leaves open any clinical vectorcardiographic advantage over cube or tetrahedron systems.