OLD DOG, NEW TRICK: NOVEL CT-DERIVED PARAMETER IS ASSOCIATED WITH LOW CARDIAC INDEX IN ACUTE PULMONARY EMBOLISM

Acute pulmonary embolism (PE) has variable outcomes. Current risk stratification models lack the positive predictive value to identify highest risk patients. We hypothesize that Hounsfield unit (HU) gradient is associated with transit time of IV contrast through the heart and correlates with cardiac