A simple grading scale for predicting hemorrhage after thrombolysis M. Lou, MD, PhD, A. Safdar, MD, M. Mehdiratta, MD, S. Kumar, MD, G. Schlaug, MD, L. Caplan, MD, D. Searls, MD and M. Selim, MD, PhD From The 2nd Affiliated Hospital of Zhejiang University (M.L.), School of Medicine, Hangzhou, China; and Beth Israel Deaconess Medical Center (A.S., M.M., S.K., G.S., L.C., D.S., M.S.), Harvard