In children, a well-inspired film should show 6 anterior ribs or 8-9 posterior ribs above the diaphragm.
Ensure the spinous processes of the vertebrae are equidistant from the medial ends of the clavicles.
A common approach is to read "from the outside in" to avoid missing subtle findings:
You should be able to see the thoracic spine and vascular markings behind the heart shadow. 2. Systematic Interpretation Order
Below is a guide to interpreting pediatric chest X-rays based on the principles often cited from Dr. Hassan’s work. 1. Assessing Quality (Technical Criteria)
The by Dr. Max Hassan and Philippe Valois is a cornerstone text in pediatric radiology. While the full 352-page book is a copyrighted commercial publication, you can find various medical summaries and systematic guides based on its methodology.
Before making a diagnosis, ensure the film is technically adequate: