Pulmonary embolism (post-fracture)

When you break a bone, especially a hip, pelvis, or leg bone, or have surgery to fix it, you often move around less for a while. Less movement slows blood flow in the legs, which makes it easier for clots to form in the deep veins. This is called a deep vein thrombosis. If part of that clot breaks loose and travels to the lungs, it becomes a pulmonary embolism.

Symptoms can include sudden shortness of breath, chest pain that gets worse with breathing, a fast heart rate, coughing, or leg swelling and tenderness. Because a pulmonary embolism can come on quickly and become dangerous, it's treated as a medical emergency, and anyone recovering from a fracture who notices these signs should seek care right away.

To lower this risk, doctors often use a combination of strategies after high-risk fractures or surgery, such as getting people moving again as soon as it's safe, compression devices or stockings, and sometimes blood-thinning medication. Whether and how to use anticoagulants depends on the person's individual risk factors, and that decision always belongs to the surgeon or prescribing doctor, not something to decide on your own.