Restless Legs Syndrome (cont.)
IN THIS ARTICLE
Exams and Tests
A doctor diagnoses restless legs syndrome by asking questions about your symptoms. A physical exam may be done to look for other possible problems that could be causing your symptoms.
Restless legs syndrome is diagnosed by your doctor based on the following four criteria:
Other factors that may support a diagnosis include:
A sleep study called a polysomnography may be done to help your doctor diagnose restless legs syndrome or rule out other sleep disorders. This test records the electrical activity of your brain, eye movements, muscle activity, heart rate, breathing, air flow through your nose and mouth, and blood oxygen levels.
Although this test is not essential, it provides details of limb movement symptoms. These details may help evaluate the severity of your symptoms. The severity ranges from people who have restless legs syndrome occasionally, with only mild difficulty falling asleep, to those who have it frequently, with repeated interruptions of sleep. Serious sleep problems can greatly affect your ability to function during the day.
Common problems with diagnosing restless legs syndrome
Many cases go undiagnosed because:
Restless legs syndrome does occur in children but it is hard to diagnose for the same reasons. Children often are not able to describe their symptoms. A parent's observations of the child's behavior and sleep may be helpful. Knowing that a parent or other close relative has restless legs syndrome can also help the doctor make a diagnosis of restless legs syndrome in the child.
Other conditions to consider
Polysomnography and related sleep study tests may also be done to help identify problems that can interfere with sleep. You may be evaluated for other conditions with symptoms similar to restless legs syndrome. These conditions include varicose veins, arthritis, or intermittent claudication (a tight, aching, or squeezing pain in the calf, foot, thigh, or buttock that occurs during exercise).
You also may be asked about behaviors, habits, and physical traits that may be related, such as:
You may also have tests to check for other diseases or health conditions—such as diabetes, peripheral neuropathy, pregnancy, kidney problems, or iron deficiency anemia—that can cause your symptoms. Tests will vary depending on what your doctor identifies as likely problems.
eMedicineHealth Medical Reference from Healthwise
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