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Richard B. Devereux

Regular electrocardiograms may help physicians identify patients at risk of sudden cardiac death

27 Aug 2009

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NEW YORK (Aug. 27, 2009) -- QRS duration (QRSd) is one of several measures of heart function recorded during a routine electrocardiogram (ECG). It is a composite of waves showing the length of time it takes for an electrical signal to get all the way through the pumping chambers of the heart.



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