To the Editor We read with interest the article by Sartori and colleagues1 regarding the safety of single ultrasonography to rule out upper-extremity deep vein thrombosis (UE-DVT) in outpatients. Some aspects of the current work and differences with our recent diagnostic management study2 require attention and may help to direct future research in the field.
Di Nisio M, van Es N, Büller HR. Whole-Arm Ultrasound for Suspected Upper-Extremity Deep Venous Thrombosis in Outpatients. JAMA Intern Med. 2015;175(11):1871. doi:10.1001/jamainternmed.2015.5450
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