How to Tell If You Broke Your Elbow

The elbow is a complex joint where three bones meet: the humerus (upper arm bone), and the radius and ulna (forearm bones). A fracture in this area is a serious injury because the elbow joint houses important nerves and blood vessels. Damage to the bone fragments can lead to complications such as nerve injury (causing numbness or weakness) or blood vessel damage, potentially compromising circulation to the forearm and hand. Prompt identification and medical attention are necessary to ensure proper healing and avoid long-term issues like stiffness or loss of motion.

Immediate Signs of a Potential Fracture

Severe, sharp pain immediately following a fall or direct impact is often the first sign of a fracture. This pain is typically localized to the elbow region and may intensify with even slight attempts at movement. A person may also hear or feel a distinct “pop” or “snap” at the time of injury, which is a strong indicator that a bone has broken.

Swelling around the elbow joint usually develops rapidly, sometimes appearing prominent over the bony tip, known as the olecranon. This swelling is the body’s reaction to trauma and can be accompanied by bruising that may spread up the arm toward the shoulder or down the forearm. The inability to fully extend or flex the elbow, or to rotate the forearm (turning the palm up and down), suggests damage to the joint’s structure.

A visible deformity, where the arm looks misshapen, indicates that the bone fragments have been displaced or the joint has dislocated. Numbness, tingling, or weakness in the hand or fingers following the injury is a serious sign. These sensations suggest that nerves, such as the ulnar nerve, have been affected by the trauma or displaced bone fragments.

Immediate Steps Following an Elbow Injury

After an elbow injury, stop using the arm to avoid causing further damage. Rest the arm and gently immobilize it in the position it was found to prevent the movement of fractured bone ends. A makeshift sling, such as a scarf or belt, can be used to support the arm against the body without attempting to manipulate or “reset” the limb.

Applying a cold pack wrapped in a cloth to the injured area can help manage swelling and pain by constricting blood vessels. Elevating the arm above the heart, if possible, also reduces fluid accumulation. Any bleeding from an open wound should be covered with a clean dressing to prevent infection, as this signifies a complex or open fracture where the bone may have broken the skin.

Seek immediate care, particularly if there is visible deformity, an open wound, or signs of nerve or circulation problems like numbness or coldness in the hand. For these severe signs, an emergency room visit is necessary for urgent assessment and treatment. If the injury seems less severe but pain and swelling are significant, a visit to urgent care or a specialist is required for proper diagnosis.

How Doctors Confirm a Break

Diagnosis begins with a physical examination of the injured elbow. The doctor will inquire about the injury’s circumstances and inspect the area for swelling, tenderness, and deformity. A neurovascular assessment is performed by checking the pulse at the wrist for adequate blood flow and testing sensation and movement in the fingers for nerve function.

Medical imaging is necessary to confirm a fracture and determine its severity. X-rays are the primary tool used, as they clearly show the location and extent of the broken bone. Multiple X-ray views are often taken to get a comprehensive picture.

If the fracture is complex, involves the joint surface, or is broken into many small pieces, a Computed Tomography (CT) scan may be ordered. A CT scan provides a more detailed, three-dimensional image of the bone structure, which is helpful for accurate diagnosis and determining treatment. Other imaging, like an MRI, might be used to assess surrounding soft tissues, though X-rays and CT scans remain the standard for initial fracture confirmation.