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- The median nerve runs down the palm
side of the wrist in a compartment called the carpal tunnel
(made of ligaments and other structures).
- When structures in the carpal
tunnel compress (push against) the median nerve, it causes
pain and other symptoms. This is known as carpal tunnel
syndrome. The most common cause is repetitive hand movement,
such as working at a computer
keyboard.
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- Pain/burning in wrist or hand
- Pain may radiate to forearm or
shoulder
- Activity with hand or wrist makes
pain worse
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- Synovitis (inflammation of tendons
or ligaments of the carpal tunnel) is usually due to
repetitive motion of fingers, hands, or wrist. This is the
most common cause.
- Bone fractures
- Tumors
- Genetic abnormalities
- Arthritis
- Sarcoid
- Acromegaly
- Hyperparathyroidism
- Hypocalcemia
- Diabetes
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- Tinel's sign -- tingling or shock
pain when the area below the wrist is tapped
- Phalen's sign -- pain or loss of
sensation when both wrists are completely bent for 60
seconds
- Muscle weakness and/or loss of muscle mass in muscles
of hand
- Electromyography
(EMG) and nerve conduction
test
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- Avoidance of, or rest from, the
triggering activity (e.g., typing)
- Splinting of hand and forearm at
night
- Corticosteroid injections into the
carpal tunnel compartment (it decreases inflammation)
- Surgery
- Treat underlying cause if one
exists (e.g., arthritis,
tumor).
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- Herniated disc in neck region
- Nerve compression in shoulder
- Mono-neuritis multiplex
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