Clinical prediction rule for deep vein thrombosis probability
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Clinical background · Scoring criteria · Evidence-based pearls
The Wells DVT Score is a validated clinical decision tool developed by Dr. Philip Wells to stratify pretest probability for deep vein thrombosis (DVT) in outpatients presenting with leg symptoms. It was designed to guide rational use of D-dimer testing and duplex ultrasound, reducing unnecessary imaging. The score incorporates nine clinical variables related to risk factors, examination findings, and alternative diagnoses. It was derived from prospective ED cohort studies and validated in multiple settings internationally.
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