Abstract
Study Objective: While our understanding of COVID-19 has evolved, uncertainty remains regarding the utility of previously established pulmonary embolism (PE) screening guidelines in COVID-19 positive patients. Many studies have investigated the efficacy of D-dimer (DD) screenings for admitted COVID-19 patients, but few have looked specifically at patients in the emergency department (ED). While a DD value greater than 500 ng/mL can be used to guide further PE workup in non-COVID patients, a higher threshold should be considered in COVID-19 patients who often have an elevated DD at baseline.
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