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The first edition of this popular work—a most welcome pioneer volume it was—appeared in 1913. The present edition shows almost no change from the fifth of seven years ago; there are the same number of pages in this edition as in that of 1930 and in the fourth edition of 1928. One familiar figure, however, on page 6, with the hands and left foot immersed in jars, has been replaced by one showing the more modern and simpler method of attaching the electrodes by means of cuffs. The last four pages, on the electrocardiogram in coronary artery thrombosis, have been rewritten, bringing this subject more nearly to date. It may be of interest to note that the statement at the foot of page 28 concerning the origin of certain anomalous electrocardiograms remains as it was written seven years ago: "Which of these two types represents the human levogram and which
Clinical Electrocardiography. JAMA. 1937;109(24):2013. doi:10.1001/jama.1937.02780500069033