What is efficacy of the clinical diagnosis of deep venous thrombosis (DVT)?

Updated: Jun 05, 2019
  • Author: Kaushal (Kevin) Patel, MD; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Even with patients with classic symptoms, as many as 46% have negative venograms. [2] Furthermore, as many as 50% of those with image-documented venous thrombosis lack specific symptoms. [3, 93] DVT simply cannot be diagnosed or excluded based on clinical findings; thus, diagnostic tests must be performed whenever the diagnosis of DVT is being considered. (See Workup)

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