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📡X-Ray & DR SystemsDR System

DR System Image Artifact Troubleshooting

By MedBazaar Technical Team · Troubleshooting Guide

مسئلہ / Problem

DR images mein artifacts visible hain — lines, spots, non-uniform areas.

Artifact Types aur Causes

Vertical/Horizontal Lines

  • Dead detector rows/columns
  • Data readout circuit issue
  • Solution: Calibration. Persist kare: engineer.
  • Grid Lines (Fine Pattern)

  • Anti-scatter grid detect ho raha hai
  • Solution: Grid alignment check karein. High frequency grid use karein.
  • Cloudy/Foggy Areas

  • Detector lag (ghost image from previous exposure)
  • Solution: Dead time observe karein between exposures. Erase cycle complete hone do.
  • White Spots/Dots

  • Dead detector elements
  • Solution: Defect map update (engineer). Severe: detector replacement.
  • Mottle/Noise

  • Low exposure technique
  • Solution: mAs increase karein. Exposure adequacy check karein.
  • Border Artifact

  • Collimation issue
  • Solution: Collimator check karein. Field properly within detector area hona chahiye.
  • تشخیص Flow

  • Artifact single image mein hai ya all images mein → Single: technique/patient. All: system issue.
  • Specific location consistent hai → detector element/row issue
  • Random location → technique ya processing issue
  • Engineer کب بلائیں

    Consistent artifacts jo calibration se fix nahi hote — engineer required.

    Estimated Fix Time: Variable

    Difficulty: Intermediate

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