Real-time B-mode ultrasound in the ED saves time in the diagnosis of deep vein thrombosis (DVT)

Daniel Theodoro, Michael Blaivas, Sandeep Duggal, Graham Snyder, Michael Lucas

Research output: Contribution to journalArticlepeer-review

77 Scopus citations


We hypothesize that EPs can decrease the time to disposition when performing examinations for deep venous thrombosis (DVT) compared with disposition times using imaging specialists (IS). We performed a prospective, single-blind observational study at an academic ED over the course of 1 year. Patients were enrolled based on study physician availability. EPs ordered the corroborative ultrasound, then performed their own examination. EPs recorded patient triage time, ED results, and disposition times for both EP and IS departments. One hundred fifty-six patients were enrolled. Thirty-four (22%) were diagnosed with a DVT. Mean time from triage to EP disposition was 95 minutes and mean time from triage to radiology disposition was 220 minutes. The difference of 125 minutes was statistically significant (P <.0001). EPs and ISs had excellent agreement (kappa = 0.9). Compression ultrasound performed by EPs resulted in a significant decreased time to disposition. Agreement with ISs was excellent.

Original languageEnglish
Pages (from-to)197-200
Number of pages4
JournalAmerican Journal of Emergency Medicine
Issue number3
StatePublished - May 2004


  • Compression ultrasound
  • Cost savings
  • Deep venous thrombosis
  • Emergency medicine
  • Emergency ultrasound
  • Time savings
  • Ultrasound


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