Standard Cervical Views Flashcards
AP Open Mouth: Source to Image Distance
40”
AP Open Mouth: Image Receptor Size
Smallest Available (8x10 or 10x12”)
AP Open Mouth: Patient Positioning
The patient’s mouth is fully open with his or her skull touching the grid
AP Open Mouth: Collimation
To the tips of the nose and chin vertically, and the mastoid process horizontally
AP Open Mouth: Central Ray Position
Center of the patient’s mouth
AP Open Mouth: Marker Placement
Usually below the ear
AP Open Mouth: Breathing Instructions
Exhalation (“Don’t Breathe and Don’t Move”)
AP Lower Cervical: Source to Image Distance
37”
AP Lower Cervical: Tube Tilt
15 degrees cephalic
AP Lower Cervical: Patient Positioning
Patient is placed with back to the grid and into extension so that the base of the skull and mandible are in line with each other
AP Lower Cervical: Central Ray Position
Middle of the cervical spine (About C4 or at level of thyroid cartilage)
AP Lower Cervical: Collimation
10” vertically, and to the soft tissues of the neck horizontally
AP Lower Cervical: Marker Placement
Usually below the ear
AP Lower Cervical: Breathing Instructions
Exhale (“Don’t Breathe and don’t move)
Neutral Lateral Cervical: Patient Measurement
Laterally, approximately at C4 or the level of the thyroid cartilage
Neutral Lateral Cervical: Source to Image Distance
72”
Neutral Lateral Cervical: Tube Tilt
None
Neutral Lateral Cervical: Image Receptor Size
Smallest image receptor available (8x10” or 10x12”)
Neutral Lateral Cervical: Patient Positioning
Patient stands 90 degrees to the image receptor with mouth closed. One shoulder is touching the receptor holder.
If curvature is noted on the AP views, the side of curve’s convexity is placed _______ the image receptor holder
Toward
Neutral Lateral Cervical: Central Ray Position
Middle of the cervical spine, approximately at C4 or level of thyroid cartilage
Neutral Lateral Cervical: Collimation
8” x 10” ensuring that eyes are not within the collimation field
Neutral Lateral Cervical: Marker Placement
Usually below the mandible; The side of the patient that is touching the image receptor holder indicates the marker that is used
Neutral Lateral Cervical: Breathing Instructions
Suspended full exhalation and depression of shoulders (“Breathe all the way out, and drop your shoulders, toward the floor”)