Ayse Inci Yildirim1, Aysu Turkmen Karaagac2. 1. Department of Pediatric Cardiology, University of Health Sciences Kartal Kosuyolu Research and Training Hospital, Kartal/Istanbul. ayildirimmd@yahoo.com. 2. Department of Pediatry, University of Health Sciences Kartal Kosuyolu Research and Training Hospital, Kartal/Istanbul.