Selami Demirelli1, Serdar Fırtına2, Emrah Ermiş1, Sinan İnci3. 1. Department of Cardiology, Erzurum Training and Research Hospital, Erzurum, Turkey. 2. Department of Cardiology, Maresal Cakmak Military Hospital, Erzurum, Turkey. 3. Department of Cardiology, Aksaray State Hospital, Aksaray, Turkey.