Normal chest x-ray
This is a normal chest x-ray of an adult woman.
Note the following features.
- Central trachea (blue lines)
- No ROTATION - spinous processes (white line) half way between medial ends of clavicles
- Adequate INSPIRATION - the mid-clavicular line (red line) intersects the diaphragm between the 5th and 6th ribs anteriorly
- Good PENETRATION - thoracic spine visible behind the heart (ring)