Dabbah Saleem1, Halabi Majdi2. 1. Ziv medical center, cardiology department, P.O.B 1008, Safed 13110, Israel; Faculty of Medicine in the Galilee, Bar-Ilan University, Henrietta Szold st. 8, P.O.B 1589, Safed, Israel. Electronic address: saleem.d@ziv.health.gov.il. 2. Ziv medical center, cardiology department, P.O.B 1008, Safed 13110, Israel; Faculty of Medicine in the Galilee, Bar-Ilan University, Henrietta Szold st. 8, P.O.B 1589, Safed, Israel.