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How to Use a Tourniquet Test to Detect Carpal Tunnel Syndrome

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By eHow Contributing Writer
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One of many so-called "provocative tests" doctors use to detect carpal tunnel syndrome by checking for physical reactions in the carpal tunnel's nerves and tendons, the tourniquet test forces pressure onto the carpal tunnel's median nerve. From there, your doctor may have enough information to make a diagnosis and start you on a treatment program to relieve your symptoms. Read on to learn more about how to use a tourniquet test to detect carpal tunnel syndrome.

Difficulty: Moderate
Instructions

Things You'll Need:

  • Physician
  1. Step 1

    Learn to detect the symptoms of carpal tunnel syndrome. Contrary to popular belief, it isn't primarily caused by overuse of desktop computers--in fact, many manual labor jobs carry a greater risk than office jobs. The major signs and symptoms include a loss of feeling in the fingers, numbness, pain, swelling or tingling of the palm, hand or wrist and the inability to grasp objects or perform quotidian tasks using your hands.

  2. Step 2

    Get referred to a carpal tunnel specialist, if you would prefer to see one instead of your regular physician. Explain the symptoms you've been experiencing to the receptionist and request the first available appointment.

  3. Step 3

    Have the doctor, nurse, technician or medical assistant affix an inflatable cuff tourniquet around the wrist of the hand to be tested for signs of carpal tunnel syndrome.

  4. Step 4

    Monitor closely for any changes in sensation in the wrist of the hand being tested as the cuff is inflated. The inflation of the tourniquet will put pressure on your carpal tunnel's median nerve.

  5. Step 5

    Tell your doctor if tingling or shock sensations well up in your carpal tunnel. This is a sign that you have carpal tunnel syndrome, and the doctor may then use further tests to detect additional physical evidence of the condition before going on to prescribe a treatment for you.

  6. Step 6

    Remain in close communication with your doctor as you undergo treatment. If your pain, discomfort or other symptoms do not being to abate, this may be a sign of complications. Report it to your physician at once.

Tips & Warnings
  • The most effective physical test for carpal tunnel syndrome is the electromyogram, or EMG test. Request this procedure if the results of your tourniquet test turn out to be inconclusive.
  • Always get a diagnosis of the source of persistent or chronic hand numbness, pain, irritation or soreness. You might develop complications that will require surgery to correct--if they can be corrected at all--if you do not treat your carpal tunnel syndrome.

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