Positioning Lateral recumbency Affected side down Use a foam pad under the dog’s nose (not a sandbag) Ensure ET tube straight as this can twist the head Ensure collar removed Centre over zygomatic arch Collimate to include all of nasal bones and vault of skull Ensure L/R marker in primary beam. What to look for Ensure a good lateral - look for superimposition of mandible, teeth and skull vault. Top tips Due to magnification it can be tricky on large dogs to get a perfectly superimposed lateral, but ensure the region of interest is lateral
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