678: AN ANALYSIS OF THE USE OF CT PULMONARY ANGIOGRAPHY IN YOUNG WOMEN IN AN URBAN EMERGENCY DEPARTMENT. Issue 12 (December 2015) - Bickley, Daniel; Lindsey, James; Saint-Hilaire, Reginald; Hussain, Aamir; Vu, Milkie; MacMahon, Heber; Dill, Karin; Walter, James