Open AccessSex Differences in the Electrocardiogram
Author(s) -
Ernst Simonson,
Henry Blackburn,
Thomas C. Puchner,
PAULINE EISENBERG,
Fernanda Ribeiro,
MANUEL MEJA
Publication year - 1960
Publication title -
circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.795
H-Index - 607
eISSN - 1524-4539
pISSN - 0009-7322
DOI - 10.1161/01.cir.22.4.598
Subject(s) - medicine , qrs complex , cardiology , electrocardiography
In 424 men and 142 women, clinically "healthy," ages 40 through 59 years, significant sex differences in electrocardiographic characteristics were found. The differences were minor in the limb-lead amplitudes (P, Q, R, S, T), but QRS and P-R duration was significantly shorter in women. Precordiallead amplitudes (R, S, T) were significantly smaller in women. Present normal standards derived from groups of men are not valid for women.
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