Dr.Mahmoud Shaheen Dean of Faculty of Medicine hosted the opening of Cardio Genetic Day –the Causes and Treatment. The day took place on Sunday 4/4/1433 / 26th of February, 2012 in Radisson Blu –Jeddah, and organized by Prince Al-Jawhara Center of Excellency in Research of Hereditary Disorder in association with Hereditary Disorders Medical Department -Faculty of Medicine The celebration started with verses from the holly Quran ,then Dr.Jumanaa Al-Aama said a speech welcoming the guests and thanking Dean of faculty of Medicine for sponsoring the day . Also showed the importance of accurate diagnosis for hereditary Disorders ,especially what regards the genetic mutations that causes it.