Science news articles about 'qrs duration'

... [18.7 percent] with a normal baseline QRS duration and 371 of 1,321 [28. ... course of their hospitalization. Perhaps most important, a prolonged QRS duration becomes a potential target for intervention ...

... ischaemic or non-ischaemic heart disease with left ventricular dysfunction (ejection fraction < 30%) and QRS duration of >130ms on ECG. Cardiac resynchronisation therapy (CRT) with or without a ...

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 ...