Population
553 normal adults (426 males) with heart rates confined to 60+/-1, 70+/-1, or 80+/-1 bpm
Design
Cross-sectional
Authors
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May require sex-specific ECG repolarization norms; leaves open prognostic relevance for arrhythmia risk.
At physiological resting heart rates, the spatial ST-T vector voltage time trajectory is significantly steeper in men than in women, beginning virtually from the J point.
Lehmann et al. (2001) studied this question.
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