Wrist sprain

Introduction When a person falls and holds his hand on the ground, the wrist joint is the joint that first receives and transmits an external force to the proximal end of the limb. Therefore, the wrist joint is susceptible to injury, such as improper treatment after injury, can cause changes in the relationship between the carpal bones, the so-called wrist instability.

Cause

Causes of wrist contusion:

Wrist contusion is caused by external force. There are different views on the mechanism of wrist injury, but most scholars believe that it is caused by excessive stretching of the wrist. When the wrist joint is in the extension of the back and the ulnar side of the ulnar position, plus the excessive force of the external force, the movement of the wrist joint is beyond the normal range, and the medical teaching and learning network will cause the corresponding wrist ligament, fascia and other tissues. damage.

an examination

Related inspection

Synovial fluid visual inspection of synovial fluid

Diagnosis of wrist contusion:

(1) According to the location and direction of the force, the clinical manifestations are swollen, sore and weak in the corresponding or opposite parts of the wrist, local tenderness, and limited functional activity of the wrist joint. Sometimes there are blood spots under the skin.

(B) X-ray examination of the wrist joints, lateral X-ray films generally no abnormal findings. Medical Teaching|Yuwang Collection If you suspect a combined hand bone fracture, you can review the butterfly X-ray film after 2 weeks.

Differential diagnosis

Differential diagnosis of wrist contusion:

1. Hemorrhage and activity limitation in the wrist joint: The humerus and ulnar styloid fractures are mainly characterized by local swelling, pain, tenderness and bone rubbing. Blood stasis under the skin, heavy blood in the wrist joint, limited wrist activity.

2, the pain of the temporal part of the wrist joint: the degenerative changes of the finger joint in the distal interphalangeal joint Heberden"s nodules occur in the middle finger and index finger, the proximal interphalangeal joint Bouchard's nodules occur less Often mistaken for rheumatoid nodules, the degenerative changes of the first metacarpophalangeal joint can cause pain in the temporal part of the wrist joint, and other metacarpophalangeal joints are rarely involved.

3. When the wrist joint is skewed to the ulnar side, there is severe pain on the temporal side: the ulnar deviation of the sacral styloid fracture is positive, and the severe pain occurs on the temporal side when the wrist joint is skewed to the ulnar side.

diagnosis:

(1) According to the location and direction of the force, the clinical manifestations are swollen, sore and weak in the corresponding or opposite parts of the wrist, local tenderness, and limited functional activity of the wrist joint. Sometimes there are blood spots under the skin.

(B) X-ray examination of the wrist joints, lateral X-ray films generally no abnormal findings. Medical Teaching|Yuwang Collection If you suspect a combined hand bone fracture, you can review the butterfly X-ray film after 2 weeks.

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