ST segment "hump" during exercise testing and the risk of sudden cardiac death in patients with hypertrophic cardiomyopathy. by Michaelides, A, Stamatopoulos, I, Antoniades, C, Anastasakis, A, Kotsiopoulou, C, Theopistou, A, Misailidou, M, Fourlas, C, Elliott, P, Stefanadis, C