2/13/2024 0 Comments Ap cervical spine x rayBelow we will review the ten steps to reading a c-spine xray. This allows for discrepancies in the tilt of the head (flexion/extension of the cervical spine). While emergency physicians are increasingly utilizing C-spine CT (especially in high-risk patients and those already getting a head CT), familiarity with the reading of the cervical spine x-ray is a skill that falls solidly within the scope of the ED physician. To achieve the best angle, the central ray should be directed at an angle that parallels the plane of the mandible and then directed to just below the hyoid bone. An excessive or insufficient angle can distort these disc spaces. To project the intervertebral disc spaces open, the central ray should be directed perpendicular to the long axis of the vertebral column 3, 4. This angle can and will vary between 5-20° depending on the position of the head. For this reason, a cephalic angle is required to project through the long axis of the vertebral column. Correcting tube angle errors and head tilt errorsĪ lordotic curvature exists in the cervical spine. The spinous process will rotate toward the pedicle of the side farther from the image receptor 3. The spinous process should be midline of the vertebral body, equidistant from both pedicles 3. Any deviation from the midline indicates rotation is present. Rotation can be detected by looking at the spinous processes in relation to the pedicles.
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