by Richard J. Kennedy, Philip Variale, and Joseph C. Alfenito, 401 pp, 167 illus, $17.50, New York: Harper & Row, Publishers, 1970.
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Complexity of presentation has been the bedevilment of teaching methods in vectorcardiography. This text successfully escapes via a style which minimizes theoretic intricacies while retaining the practicalities of a sophisticated diagnostic method. Each short chapter is complemented by a few well-chosen references. Strong points include clear presentations of sequential vectors by number and distribution and of angular orientation of effective lead axes and relative lead sensitivity. Tables and figures effectively summarize and depict normal orientations of maximal and component vectors and loop inscriptions. The presentation of LVH is a model of clarity, with appropriate nods at prevailing hypotheses for QRS voltage increase and angular abnormalities. The authors avoid the pitfalls of many texts by treating left axis deviation independently, by appropriate emphasis on extracardiac factors and clear distinction from "cor pulmonale" in the VCG of emphysema, and by healthy skepticism regarding some interpretations and criteria. This book can be heartily
Spodick DH. Textbook of Vectorcardiography. JAMA. 1970;214(12):2199. doi:10.1001/jama.1970.03180120071029