July 1987

ECG Poor R-Wave Progression

Author Affiliations

Monroe, Mich

Arch Intern Med. 1987;147(7):1357. doi:10.1001/archinte.1987.00370070169026

To the Editor.  —This communication concerns the article by M. J. Zema, MD, and P. Kligfield, MD, on poor R-wave progression (PRWP) that appeared in a previous issue of the Archives.1The authors referred to the broad definitions that were selected in their original articles2 and defined PRWP as R-wave magnitude of 3.0 mm or less in V3 and the R wave in V2 of less than or equal to the R wave in V3.In the original article, however, Zema and Kligfield have defined the PRWP as the absolute magnitude of the R wave of less than or equal to 1.5 mm in V2 or less than or equal to 3 mm in V3.Apparently, the reference made to the original article by Zema and Kligfield is not correct, and I appreciate their explanation.

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