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Regular Electrocardiograms May Help Physicians Identify Patients At Risk Of Sudden Cardiac Death, New York Weill Cornell Medical Center Study



9/2/2009 7:27:41 AM

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Weill Cornell -- 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. Prolonged QRSd is a sign of an abnormal electrical system of the heart and is often found when the heart isn't pumping efficiently.



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