On an electrocardiogram atrial repolarization is obscured by the?
Score: 4.1/5 (60 votes) T wave. T waves represent ventricular repolarization (atrial repolarization is obscured by the large QRS complexQRS complexQRS duration is measured from the beginning of the Q wave to the end of the S wave. A normal range is from 40 to 100 milliseconds (1 small box to 2.5 sma...