ICM-II: CHEST, case 1

Looking at mineralization of bones can also tell us something about general state of health and age. The cortical bone of the clavicle is usually easy to see and seems to be about half or more of the entire width of the bone, shown in yellow

To determine depth of inspiration precisely we can count the number of posterior ribs visible above the diaphragm, which takes some practice. This patient has 9 ribs visible and ideally we could like 10, but 9 is not terrible. Another quick way to estimate this is to compare the length of the lung to the width (shown in red). Normally the length should be quite a bit more than the width, as in this case.