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January 29, 1938


JAMA. 1938;110(5):395. doi:10.1001/jama.1938.02790050073043

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STANDARDIZATION OF PRECORDIAL LEADS  Following are the joint recommendations of the American Heart Association and the Cardiac Society of Great Britain and Ireland, as represented by their committees: Arlie R. Barnes, Harold E. B. Pardee, Paul D. White, Frank N. Wilson (chairman) and Charles C. Wolferth, Committee of the American Heart Association on the Standardization of Precordial Leads; D. Evan Bedford, John Cowan, A. N. Drury, I. G. W. Hill, John Parkinson and P. H. Wood, Subcommittee of the Cardiac Society of Great Britain and Ireland on the Standardization of Chest Leads.In the last few years, electrocardiographic leads in which an electrode placed on the precordium is paired with an electrode in contact with some part of the body distant from the heart have come into widespread use. The confusion which has resulted from the lack of uniformity and precision in the technic and nomenclature employed by different observers

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