Why the study?
What are the normal characteristics and patterns of spatial magnitude electrocardiograms in healthy men?
What are the normal characteristics and patterns of spatial magnitude electrocardiograms in healthy men?
Spatial magnitude electrocardiograms in normal men exhibit five definite QRS wave patterns, providing a baseline for evaluating clinical usefulness of this electrocardiographic approach.
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Establishes normal QRS reference patterns on spatial magnitude ECG; leaves open its diagnostic utility pending prospective validation.
Spatial magnitude electrocardiogram is a record of spatial magnitudes of cardiac vectors which vary spatially as a function of time on a linear time scale. Spatial magnitude electrocardiograms were recorded in seventy normal men. QRS waves of normal spatial magnitude electrocardiograms were classified in five definite patterns. The configurations of spatial magnitude electrocardiograms were determined by the spatial configurations of QRS loops. The characteristics of normal spatial magnitude electrocardiograms were investigated quantitatively as well as qualitatively by introducing various parameters for measurements. Clinical usefulness of this new electrocardiographic approach was discussed.
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Mori et al. (1969) studied this question.
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