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V/Q scans : looking for defects
On a ventilation/perfusion study the scans are examined to look for defects
in the lung fields and the appearance of the ventilation is compared with
perfusion
Possible outcomes
- No defects (click)
- Matched defects of ventilation and perfusion (click)
- Mismatched perfusion defect (i.e. defect on perfusion but
no defect on ventilation) (Click)
- Mismatched ventilation defect (better perfusion than
ventilation) (click)
Would you like to try a case ?
A patient with chest pain and haemoptysis had this VQ scan.
What abnormalities have been shown on the scan and what is needed
in order to make a sensible report ? Click on the scan to enlarge it and
click here for the answer.
Back to chest menu
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Roboradiology
