What clinical sign is often indicative of rib fractures?

The presence of crepitance and localized pain upon palpation is a significant clinical sign often indicative of rib fractures. When ribs are fractured, the broken ends of the bones may articulate with surrounding tissues, causing a crunching or crackling sound known as crepitance. This sound is especially relevant when the area is palpated, and the associated localized pain can help to clarify the diagnosis. Patients typically experience tenderness over the site of the fracture, which is exacerbated by movement, breathing, or direct touch.

In contrast, shortness of breath upon exertion is more general and could arise from various pulmonary or cardiovascular issues rather than exclusively indicating rib fractures. Bradycardia and hypotension are signs that may suggest more serious or systemic issues, such as shock, but they are not typically associated directly with rib fractures. Lastly, swelling and bruising in the abdominal area would indicate a different concern, potentially involving abdominal trauma rather than thoracic injuries. Therefore, the combination of crepitance and localized pain is a strong clinical indicator that specifically points to rib fractures.