Why the study?
Do four orthogonal systems of vectorcardiography produce similar records in living human subjects?
Population
60 living human subjects
Comparison
Four orthogonal systems of vectorcardiography vs Comparison among the four systems
Design
Cross-sectional
Authors
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Four orthogonal VCG systems yield similar records in most subjects; leaves open Z-lead standardization for clinical vectorcardiography.
Do four orthogonal systems of vectorcardiography produce similar records in living human subjects?
While four orthogonal systems of vectorcardiography generally produce similar records, significant dissimilarities can occur, particularly in the Z lead.
Langner et al. (1958) studied this question.
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