Low voltage on the electrocardiogram is a marker of disease severity and a risk factor for adverse outcomes in patients with heart failure due to systolic dysfunction

Sandeep A. Kamath, Januario de P Meo Neto, Russell M. Canham, Fatema Uddin, Kathleen H. Toto, Lauren L. Nelson, Patricia A. Kaiser, James A de Lemos, Mark H Drazner