S80.00

Clinical Causes: A direct blow or impact to the front, sides, or back of the knee, often from sports, falls, or accidents. Contact sports such as football, basketball, or soccer where knee collisions are common. Falls onto a knee, especially onto a hard surface. Car accidents or collisions in which the knee strikes part of the vehicle or the ground. Work-related injuries involving impact or crushing forces to the knee.

Key Symptoms: Pain or tenderness around the affected area, which may intensify when moving the knee. Swelling and stiffness due to fluid accumulation or tissue damage. Discoloration or bruising, typically dark purple, blue, or black, developing over the injured area. Limited range of motion or difficulty fully extending or bending the knee. Sensitivity to touch and possible warmth around the bruise. In severe cases, the presence of a small lump or localized swelling.

Diagnosis Path: Diagnosing a knee contusion involves a physical examination where a healthcare provider assesses pain, swelling, and bruising. They may inquire about the injury's mechanism and look for signs of additional damage. Imaging tests such as X-rays are usually not necessary unless there are concerns about broken bones or other structural injuries. In some cases, an ultrasound or MRI might be recommended to evaluate soft tissue damage if symptoms persist or worsen.

Treatment Protocols: Management of a knee contusion generally focuses on relieving pain and reducing swelling. Common approaches include: - Resting the injured knee to prevent further trauma. - Applying ice packs for 15-20 minutes every 1-2 hours during the first 48 hours post-injury to decrease swelling. - Elevating the leg to promote fluid drainage and reduce swelling. - Using over-the-counter pain relievers such as acetaminophen or nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen to manage discomfort. - Compressing the knee with an elastic bandage to provide support and limit swelling. - Avoiding activity until pain and swelling subside. A healthcare provider may recommend physical therapy or gentle exercises to restore mobility and strengthen surrounding muscles. In rare cases where bleeding is extensive or symptoms do not improve, medical intervention may be necessary to drain accumulated blood or evaluate for more serious injuries.