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Diagnosis Clinical features d-dimer Impedence plethysmography Ultrasonography Economics Harm/ aetiology Prognosis Therapy

Deep vein thrombosis a clinical prediction rule and investigation strategy can accurately diagnose DVT. Level of evidence 1a Expiry Date May 2003 Deep vein thrombosis impedance plethysmography was less effective than initially thought. Level of evidence 4 Expiry Date May 2003 Deep vein thrombosis ultrasound was a better diagnostic test than impedance plethysmography. Level of evidence 1b Expiry Date May 2003 Deep vein thrombosis more interpretable scans using serial ultrasound than IPG. Level of evidence 1b Expiry Date May 2003 Deep vein thrombosis ultrasound is better than impedance plethysmography. Level of evidence 1a Expiry Date June 2003 Deep vein thrombosis serial impedance plethysmography is useful in ruling out DVT. Level of evidence 1b Expiry Date May 2003 Deep vein thrombosis (asymptomatic) non-invasive studies could not safely exclude it. Level of evidence 1b Expiry Date May 2003