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Biello-Siegel criteria


  • normal (0%)

  • low prob (10%)
    • small {<25% of a segment} Q defect(s)
    • matched V/Q defects involving < 1/3 of lung
    • nonsegmental defects (CMG, sm effusions)
    • Q defect << CXR defect

  • intermediate prob (20-33%)
    • abnormality not within "low" or "high" category

  • high prob (87%)
    • two large {>75% of a segment} mismatches
    • Q defect >> CXR and V

see: V/Q imaging


Charles E. Kahn, Jr., MD  -  2 February 1995
Last updated:  1 October 2013


 

Related CHORUS documents:
ventilation/perfusion lung imaging
lung perfusion agents
lung ventilation agents
xenon 133
Kirner deformity
Alexander disease

 

Copyright © 2013, Charles E. Kahn, Jr.