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As stated in the preface, four introductory chapters present fundamental principles of physics and cellular physiology, necessary for a noncatechismal reading of clinical electrocardiograms. Although sometimes too elementary, sometimes too concise, the text is generally clear and adequate. The author properly states that only leads from "remote electrode sites" can be used in vector analysis; the spatial instantaneous and mean vectors are, however, derived from the 12 leads in common use.
The major part of the book deals with the normal electrocardiogram, and with the major abnormalities of contour and their causes. The excellent discussion of the normal ECG and of the range of normal variations emphasizes the need of a radical revision of commonly used criteria. The value of serial ECGs and of changes per se not abnormal, as clues of otherwise silent cardiac disease, is properly stressed. This reviewer agrees with the suggestion that electrocardiographic changes in hypertrophy
Calabresi M. Electrocardiography and Vectorcardiography: Instrumentation, Fundamentals, and Clinical Applications. JAMA. 1966;195(3):231. doi:10.1001/jama.1966.03100030125048
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