Can you creat presentation directed to PICU fellows talking about the etiologies and pathophysiology of upper GI bleeding in children . try to highlight diffrent causes and pathophysiology with essential PICU management and ten specific treatment . please support presentation with updated refrences and use citations whenever needed. Try to invlove curves , bars , algorythems in very attractive way . Choose attractive title followed by my name Dr Khaled Abouhazima ped.GI attending in Sidra medicine and ended with take home massage and thank you . The duraion of talk is 30 minutes so presentation shall be 30-35 slides