A fundamental relationship between intraventricular conduction and heart rate.


BACKGROUND Existence of a relationship between the electrocardiographic QRS interval duration and the diurnally varying heart rate, of consistent sign and magnitude, is controversial and the relationship has not been fully characterized in normal populations. METHODS AND RESULTS We analyzed the QRS-RR interval relationship in 884 Holter recordings in 410… (More)
DOI: 10.1016/j.jelectrocard.2016.03.008


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