Quantitative spatial vector analysis of ventricular activation in left bundle branch block with special reference to left superior axis deviation.
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Biomedical subjects
Publications and source records attributed to E Scheidt.
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Correlations were computed between 123 different electrocardiographic variables and constitutional parameters of 179 children aged seven to fourteen years using the Frank system. The constitutional parameters consisted of age, body weight, height, chest circumference and deviation from ideal weight related to height. The corrected orthogonal Ecg was automatically measured by a CD 3300 computer using the program of Pipberger. The results show that the greatest number of statistically significant correlations exist between Ecg variables and body height. In contrast to expectations, age takes only the second rank. Normal values of the Frank Ecg should be related to height not to age, at least in the studied age group.
Regarding heart volume, fundamental frequency of the first and second part of first heart sound (SI), vectorcardiographic parameters and constitutional data, the formerly found strong correlation between fundamental frequency of the first part of SI and heart volume was re-established. Heart volume guess got even better utilizing certain VCG-parameters, whereas constitutional measurement data gave no further approach. Correlations between VCG-data and fundamental frequencies of both parts of SI are referred to.
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