Role Of Bedside Chest Ultrasonography And Echocardiography In The Diagnosis Of Pulmonary Embolism In Emergency Rooms Research Authors Maha K. Ghanem , Houda Makhlouf , Ali Abd El-Azim , Ahmed A. AlKarn Research Date Tue, 17 May 2016 - 12:00 Research Journal American Journal of Respiratory and Critical Care Medicine Research Member Ahmed Atef Farouk Alkarn Research Vol 193