Corresponding Author:
Khaled Al Nahili
Pediatric cardiology Department
Prince Sultan Cardiac Center
Riyadh, KSA
Email: khaled.059@hotmail.com
Tel:+966114783000- Ext:88793
Number of text pages: 25
Number of words: 4210
Reference pages: 3
Tables: 4
Figures: 3
All data of this study are available on Xcelera R3.3 cardiology PACS
system at Prince Sultan Cardiac Center, Riyadh, KSA