Skull – ventrodorsal canine X-ray positioning guide Positioning Dorsal recumbency Ensure collar removed Ensure ET tube running straight if under GA Use a cradle to support body Position with skull perpendicular to cassette Centre in midline level with the orbits, adjusting depending upon skull shape Ensure L/R marker in primary beam. What to look for When looking for skull to be perpendicular to table top use the mandible and ventral border of the skull, as these tend to be less distorted by head shape variations. Top Tips Look at the bullae and sinuses when looking for rotation.
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