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What is a two-point disk-crimination test for carpal tunnel syndrome?

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A 2-point disk-criminator is a small, flat, eight-sided tool with needle-like prongs sticking out from all sides. Your doctor will start with two points touching your skin a few centimeters apart and move them closer together until you feel just one point of pressure. The distance at which you can feel only one point will help him figure out nerve function and compression -- two important parts of carpal tunnel syndrome.

SOURCES:

National Institutes of Health: “Carpal Tunnel Syndrome Fact Sheet.”

Washington University School of Medicine in St. Louis: “Peripheral Nerve Surgery: A Resources for Surgeons.”

American College of Rheumatology: “Carpal Tunnel Syndrome.”

Mayo Clinic: “Carpal tunnel syndrome: Diagnosis,” “Electromyography: “What you can expect.”

Reviewed by Ross Brakeville on June 09, 2017

SOURCES:

National Institutes of Health: “Carpal Tunnel Syndrome Fact Sheet.”

Washington University School of Medicine in St. Louis: “Peripheral Nerve Surgery: A Resources for Surgeons.”

American College of Rheumatology: “Carpal Tunnel Syndrome.”

Mayo Clinic: “Carpal tunnel syndrome: Diagnosis,” “Electromyography: “What you can expect.”

Reviewed by Ross Brakeville on June 09, 2017

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How can a nerve conduction velocity test help in the diagnosis of carpal tunnel syndrome?

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