Pediatric clavicle (AP view)

Last revised by Jessica Hui Shi Ng on 05 May 2022

The anteroposterior clavicle view for pediatrics is part of a two view series examining the entirety of the clavicle and the sternoclavicular and acromioclavicular joints. This view is ideally performed erect, but supine may be necessary depending on the patient's level of distress and severity of injury. 

This projection demonstrates the clavicle in its natural anatomical position and is useful in diagnosing clavicular fractures and dislocations in pediatric patients. 

  • patient is ideally erect with their back against the image receptor
  • affected clavicle is in the center of the image receptor
  • affected arm is in a neutral position
  • anteroposterior projection
  • centering point
    • mid clavicle  
  • collimation
    • superior to the skin margins
    • inferior to include mid scapula 
    • lateral to include the skin margin
    • medial to include the sternoclavicular joint
  • orientation  
    • landscape
  • detector size
    • 18 cm x 24 cm
  • exposure 1
    • 63-66 kVp
    • 2-4 mAs
  • SID
    • 100 cm
  • grid
    • no (this can vary departmentally or based on the patient's age or size)

The clavicle is demonstrated in its entirety with no foreshortening. This is demonstrated through superimposition of the midclavicle over the superior aspect of the scapula 2. Appropriate metal markers are visualized as this is ideal for pediatric imaging. 

Preparing the room beforehand (setting up the detector, exposure and preparing lead gowns) is important as pediatric patients may not remain still for the duration of the x-ray.

It is important for the radiograph to be free from motion artifact and rotation to avoid repeated x-rays.

  • it may be necessary for the parent or radiographer to hold the patient in position
  • ideally the parent should be in the child's direct line of sight
  • techniques will vary based on the department
  • distraction techniques can be utilized to avoid scattered radiation to parents and staff 3

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