Changes in QRS Area and QRS Duration After Cardiac Resynchronization Therapy Predict Cardiac Mortality, Heart Failure Hospitalizations, and Ventricular Arrhythmias
O. Okafor, A. Zegard, Peter van Dam, B. Stegemann, T. Qiu, H. Marshall, F. Leyva
Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease