Knee injury

Introduction Knee bruises and swellings are caused by soreness and discomfort at the tip of the ankle, and persistent dull pain later. The law is that when the activity starts, the pain is aggravated, and the pain is relieved after the activity is opened. In daily life and work (such as going down the stairs, squatting up, walking with weights, playing hard, etc.), when the quadriceps contraction is performed, There will be pain in the tip of the jaw. In patients with severe disease, pain in the tip of the sputum also occurs during normal walking. The patient feels that the knee is soft and weak, and the walking is easy to fatigue, so that the shoulder can not be picked, the hand can not be lifted, and the heavy object cannot be carried.

Cause

Chinese medicine believes that because of injury or external strain, cold and dampness, combined with disease into the collaterals, the flow of joints to block the blood, wind and evil water and moisture into the virtual, invading the stagnation of the veins to make the meridian occlusion, the closed nowhere is not painful, It hurts for a long time, and the pain will last for a long time. If you have a long time, you will be swollen and swollen for a long time. This is the mechanism of yin and yang imbalance, and the viscera can not be born to cause swelling and pain.

an examination

Related inspection

Bone and joint MRI

The size, shape, bleeding, degree of injury and extent of the wound, whether the skin has ecchymoses, blisters, whether the skin temperature changes, the circulation of the finger (toe), the ischemic necrosis of the muscle, whether the injured limb is swollen, the skin Nervous and hard, can move, have feelings of disability.

1. Inquire about the time, cause and injury of the injury, whether it is a crush injury, whether there is urine closure, oliguria and hematuria after the injury, what kind of treatment has been treated, and how effective it is.

2. Pay attention to the presence or absence of shock or other parts of the body, with or without crush syndrome (acute renal failure characterized by limb or trunk swelling, myoglobinuria and hyperkalemia).

3. Investigate the injured part, pay attention to the size, shape, bleeding, degree of injury and extent of the wound, whether the skin has ecchymoses, blisters, whether the skin temperature changes, the circulation of the finger (toe), and whether the muscle is ischemic. Necrosis, whether the injured limb is swollen, the skin is tight and hard, can be active, and there is no sensory disturbance.

4. Severe trauma (including crush injury) or severe systemic symptoms should be checked daily for blood and urine routine, and urine volume should be recorded. If necessary, blood and urine biochemical tests (including myoglobin), electrocardiogram and renal function should be performed.

Differential diagnosis

Differential diagnosis of knee bruises and swelling:

1. Swelling pain after the knee, limited activity: The cyst of the fossa is more common in middle-aged cases. The male cerebral rate is the highest. The male is more than the female, which leads to mechanical knee extension and knee flexion limitation. The pain is lighter and the tension is obvious. The patient's complaint is often characterized by a gradual swelling in the litter area, with pain in the back of the knee. Occasionally cysts can be oppressed to block venous return, causing calf edema. When the cyst grows to a certain extent, the knee flexion and extension activity is limited.

2. Knee pain: The patella knee pain syndrome is a professional vocabulary that describes the pain that occurs in front of or around the tibia. Patellaofemoral Pain Syndrome, also known as anterior knee pain, is caused by abnormal movement of the femur during flexion.

3, knee injury: knee injury is a kind of soft tissue injury, soft tissue injury refers to various acute trauma or chronic strain and the pathology of their own diseases caused by the human skin, subcutaneous shallow deep fascia, muscle, tendon, tendon sheath, Pathological damage of tissues such as ligaments, joint capsules, synovial sacs, intervertebral discs, peripheral nerve vessels, etc., is called soft tissue injury.

4, knee sprain: sprain (sprain) refers to the joints of the limbs or the soft tissues of the body (such as muscles, tendons, ligaments, blood vessels, etc.) damage, and no fractures, dislocation, broken skin and so on. The main clinical manifestations are painful swelling and joint movement limitation at the injury site, which occur mostly in the waist, ankle, knee, shoulder, wrist, elbow, hip and other parts.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.