S80.02

Clinical Causes: Direct impact or blow to the knee, such as during sports, accidents, or falls. Accidental hits from objects falling onto the knee. Contact sports like football, basketball, or soccer where collisions are common. Falls or collisions that cause the knee to strike a hard surface. Repeated trauma or stress to the knee area over time.

Key Symptoms: Localized pain at the site of injury, which may worsen with movement. Swelling around the knee joint, indicating internal bleeding and inflammation. Bruising or discoloration of the skin over the knee. Tenderness upon touch, especially in the affected area. Limited range of motion, making it difficult to straighten or bend the knee. A feeling of stiffness or tightness in the knee. In some cases, a sensation of warmth or mild throbbing due to inflammation.

Diagnosis Path: Diagnosis of a knee contusion typically involves a physical examination where a healthcare provider assesses for tenderness, swelling, and range of motion. Imaging tests such as X-ray may be used to rule out fractures or other bone injuries, while ultrasound or MRI scans can help evaluate soft tissue damage or internal bleeding. The clinical history of injury combined with examination findings guides the diagnosis and management plan.

Treatment Protocols: Resting the knee and avoiding strenuous activities that exacerbate pain. Applying ice packs to the affected area for 15-20 minutes every 2-3 hours during the initial 48 hours to reduce swelling. Using compression bandages or wraps to minimize swelling and support the knee. Elevating the leg to decrease blood flow to the area and reduce swelling. Over-the-counter pain relievers, such as acetaminophen or non-steroidal anti-inflammatory drugs (NSAIDs), to manage pain and inflammation. Gradual reintroduction of activity as pain subsides and mobility improves. In severe cases or persistent symptoms, a healthcare provider may recommend physical therapy or further medical intervention.