Radial nerve dysfunction

Radial Nerve Dysfunction is a condition that affects the radial nerve, causing problems with movement and sensation in the arm and hand. The radial nerve is one of the three main nerves in the arm, and it travels down the back of the arm and forearm and into the hand. It controls the triceps muscle at the back of the upper arm and the muscles at the back of the forearm that allow the wrist and fingers to straighten. It also provides sensation to the back of the hand and the thumb side of the hand.

Causes

Radial Nerve Dysfunction can be caused by a number of factors, including:

• Direct trauma to the nerve
• Long-term pressure on the nerve, such as from broken bones or tight bandages
• Compression of the nerve from swelling or injury
• Certain medical conditions, such as diabetes or rheumatoid arthritis
• Certain medications, such as chemotherapy drugs

Symptoms

Symptoms of Radial Nerve Dysfunction can vary depending on the severity of the condition, but may include:

• Difficulty straightening the arm or hand
• Numbness or tingling in the arm, hand, or fingers
• Weakness in the arm or hand
• Pain in the arm or hand

Diagnosis

Diagnosis of Radial Nerve Dysfunction typically involves a physical examination and a review of the patient's medical history. Additional tests may be needed to confirm the diagnosis and determine the severity of the condition, such as:

• Electromyography (EMG), which measures the electrical activity in the muscles
• Nerve conduction studies, which measure how well the nerve is transmitting signals
• MRI or CT scan, which can provide detailed images of the nerve and surrounding tissues

Treatment

Treatment for Radial Nerve Dysfunction depends on the cause and severity of the condition, but may include:

• Physical therapy to improve strength and flexibility
• Medications to manage pain and inflammation
• Surgery to repair the nerve or relieve pressure on the nerve

Prognosis

The prognosis for Radial Nerve Dysfunction varies depending on the cause and severity of the condition. Some people may recover fully with treatment, while others may have long-term or permanent symptoms.

See also

• Peripheral neuropathy
• Nerve compression syndrome
• Carpal tunnel syndrome

Radial nerve dysfunction Resources
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