Medical history, including any medical problems
or illnesses, prior injuries, current symptoms, or daily activities that may be
causing your symptoms.
Hand diagram. You may be asked to help fill
in a diagram of your hand to show where you have numbness, tingling, or
Physical exam, including the tests for Tinel's sign,
Phalen's sign, and two-point discrimination. Although many other tests have
been developed for diagnosing carpal tunnel syndrome, there is no convincing
evidence of their accuracy.
If your symptoms are severe,
if nonsurgical treatment has not improved symptoms, or if your symptoms are not
clearly caused by carpal tunnel syndrome, your doctor may recommend:
It is possible that the main title of the report Carpal Tunnel Syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
X-rays, to check for bone problems
caused by past injury,
arthritis, recently broken or dislocated bones, or
tumors. X-rays are not used to diagnose carpal tunnel syndrome, but they can be
helpful for identifying signs of arthritis or an old or new wrist or neck
injury that may be contributing to your symptoms.
Ultrasound, to look at the size of the median nerve.
It is inexpensive, comfortable, and quick. But its use for carpal tunnel
syndrome diagnosis is still unproved and relatively uncommon.
MRI (magnetic resonance imaging), to look for swelling
of the median nerve, narrowing of the carpal tunnel, or problems with
circulation of blood through the carpal tunnel.
Blood tests, which are sometimes done to check
rheumatoid arthritis, or other medical problem. If the
cause of your symptoms is unclear and your medical history suggests other
possible conditions, your doctor may order blood tests.
WebMD Medical Reference from Healthwise
October 21, 2010
This information is not intended to replace the advice of a doctor.
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