DOWNSTREAM TESTING UTILIZATION FOLLOWING OBSTRUCTIVE CORONARY COMPUTED TOMOGRAPHIC ANGIOGRAPHY (CCTA) IN THE ED EVALUATION OF LOW TO INTERMEDIATE RISK ACUTE CHEST PAIN

Background: Stress testing and invasive coronary angiography (ICA) is often used to determine the clinical significance of obstructive lesions by CCTA. Methods: From 1/2011 to 12/2015 our tertiary care center performed 7,011 CCTAs on low to intermediate risk patients with chest pain. We identified