Conventional radiography is the most common imaging modality for patients wearing halo vests, and obtaining radiographs of these patients can be difficult. A single lateral conventional radiograph is the baseline examination for follow-up care, and adequate radiographic technique is essential in revealing subtle signs of sub-luxation in the cervical spine. Clinicians rely on these radiographs to determine whether instability is present during varying degrees of upright patient positioning. The need for reproducible radiographs is crucial because the treatment is contingent upon the radiographic evaluation.
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