What is a key finding in the examination of Bill Hansen's injury?

The key finding in the examination of Bill Hansen's injury is that the foot is edematous, indicating swelling. Edema can suggest a variety of factors related to injury, such as inflammation, increased permeability of blood vessels, or injury to surrounding tissues. It often indicates the body's response to trauma, which can include conditions like fractures, sprains, or strains, and may also imply that there is a degree of vascular compromise or fluid retention in the area. Observing edema is crucial as it helps gauge the severity of the injury and guides further management and treatment options.

In contrast, the ability to bear weight may indicate that the injury is not severe, but does not provide insight into the nature of the injury itself. Cool toes could suggest compromised blood flow, which may indicate a more complex vascular or neurological issue, while warm skin usually signifies normal circulation. Therefore, the presence of edema stands out as a definitive physical sign that can be indicative of the injury's severity and underlying issues that need to be addressed.