Results of ventilation-perfusion scans: Emergency department patients with and without risk factors

@article{Boutselis2005ResultsOV,
  title={Results of ventilation-perfusion scans: Emergency department patients with and without risk factors},
  author={Alexander G. Boutselis and Wendy J. Hanafee and Thomas H. Parker and Michael Reed Sutherland and Said M. Zu'bi},
  journal={Emergency Radiology},
  year={2005},
  volume={3},
  pages={221-224}
}
We prospectively studied 141 of 143 consecutive patients over a 6-month period referred for a ventilation-perfusion ( $$\dot V/\dot Q$$ ) scan from the emergency department of an 800-bed university-affiliated teaching hospital. Numerous clinical, laboratory, and radiographic data were analyzed. Our hypothesis was that performing a $$\dot V/\dot Q$$ scan in a patient without a risk factor for pulmonary embolus (PE) is of little value. Of the 141 patients, 81 (57%) had no known risk factors for… CONTINUE READING

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