Correlations of the orthogonal electrocardiogram and vectorcardiogram with consitutional variables in 518 normal men.

The spatial QRS and T vector in 178 normal middle-aged men; body weight, height, relationship of QRS and T and preliminary standards.

From the means and standard deviations of the coordinates of the spatial QRS and T vectors in 178 normal middle-aged men, preliminary normal range limits were calculated for the total group, three positional subgroups, and three relative body weight groups. The superiority of spatial vector analysis over analysis of the scalar electrocardiogram made it possible for the first time to investigate...

The normal orthogonal electrocardiogram and vectorcardiogram, with a critique of some commonly used analytic criteria.

The Frank vectorcardiogram in normal men. Norms derived from visual and manual measurement of 300 records.

Broad clinical application of vectorcardiography has been limited by the lack of a single, widely accepted recording system and the paucity of firmly established diagnostic norms. Most clinical reports and texts, therefore, have used the vectorcardiogram primarily for vivid pictorial display of typical abnormalities. A recent co-operative study, in which interpretation of the vectorcardiogram b...

Asynchronous Conduction within the His Bundle in Man

18. von der Groeben J, Fisher DD, Toole JG: Temporospatial frequency distribution of P, QRS, and T in normal man and woman. Am Heart J 75: 487, 1968 19. Ishikawa H: Sex and age differences in the Frank vectorcardiograms of normal Japanese adults. Jap Circ J 37: 543, 1973 20. Simonson E: The effect of age on the electrocardiogram. Am J Cardiol 29: 64, 1972 21. McCall BW, Wallace AG, Estes EH Jr:...

The Corrected Orthogonal Electrocardiogram and Vectorcardiogram in 510 Normal Men ( Frank Lead System ) By HAROLD

A NUMBER of reports on normal ranges of corrected orthogonal electrocardiographic measurements have appeared in the literature.'-12 They were derived, however, from limited numbers of subjects and the types of electrocardiographic and vectorcardiographic measurements varied largely from one study to another. The reported results are therefore not always strictly comparable. In spite of these li...