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November 4, 1933

Clinical Aspects of the Electrocardiogram Including the Cardiac Arrhythmias.

JAMA. 1933;101(19):1505. doi:10.1001/jama.1933.02740440065035

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The practical aspects of electrocardiography have been treated admirably, with a minimal amount of overlapping of material. From this standpoint the third edition, although making no noteworthy additions over its predecessor published five years ago, is one of the best books written so far for the clinician. Perhaps the best chapter is the fourth, dealing with the electrocardiographic changes in myocardial disease. With the evidence adduced that the levogram and dextrogram of Lewis cannot be strictly applied to the human electrocardiogram, one finds identical curves in the two editions (fig. 15 in the second and fig. 18 in the third edition) now with the more modern labeling. The significance of a deep Q wave is also discussed. Excellent as the practical substance of this book is, one may also seriously question whether the additions and changes in the theoretical aspects of electrocardiography found in this edition sufficiently warrant a new

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