Efe Edem1, Mustafa Türker Pabuccu1, Işık Tekin2, Ali Hikmet Kırdök3. 1. Department of Cardiology, Sakarya University Training and Research Hospital, Sakarya, Turkey. 2. Department of Cardiology, Tarsus State Hospital, Mersin, Turkey. 3. Department of Cardiology, Tinaztepe Hospital, İzmir, Turkey.