Compression ultrasound is commonly used in emergency department. Accuracy to rule out deep vein thrombosis is excellent but lower then Ddimer assessment which is actually gold standard. With progress in formation of emergency physicians (EP), quality of material used, the investigators hypothesize that compression ultrasound can rule out deep vein thrombosis in case of non high probability, as standard care and DDimer assay.
adult patient
Patient presenting to the emergency department with clinical suspicion of DVT (i.e. pain and/or lower extremity edema).
Patient with a non-high probability according to the modified Wells score, i.e. a score of 0 or 1
Subject with a social health insurance plan
Patient with suspected pulmonary embolism
Patient with a high probability of DVT
Impossible to perform a whole leg doppler ultrasound within 5 days
Pregnant or breast-feeding woman, on patient's declaration
Single group
compression ultrasound
Other interventionperforming a compression ultrasound
Negative predictive value of compression ultrasound for diagnosis of deep vein thrombosis
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