The method used when photographing the ribs on the diaphragm is as follows.

Diaphragm rib photography adopts the method of deep inhalation and finally hold your breath.

There are obvious differences in X-ray absorption between ribs above diaphragm and ribs below diaphragm. In order to make the diaphragm overlap with lung tissue more, you can lower the diaphragm by taking a deep breath and finally holding your breath. This posture is helpful to select appropriate exposure conditions, reduce the density difference when X-rays pass through lungs and other bone structures, and improve the visualization of structures of interest (such as abdominal organs and mediastinum). ) at the examination site (such as the chest).