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How is Restless Leg Syndrome diagnosed?

See how Restless Leg Syndrome is diagnosed. Which specialists are essential to meet, what tests are needed and other useful information for the diagnosis of Restless Leg Syndrome

Restless Leg Syndrome diagnosis

How is Restless Leg Syndrome diagnosed?


Restless Leg Syndrome (RLS) is a neurological disorder characterized by an irresistible urge to move the legs, often accompanied by uncomfortable sensations. Diagnosing RLS can be challenging as there is no specific test to confirm its presence. Instead, healthcare professionals rely on a combination of clinical evaluation, medical history, and exclusion of other conditions to make an accurate diagnosis.



Clinical Evaluation


The first step in diagnosing RLS involves a thorough clinical evaluation. A healthcare professional, typically a neurologist or sleep specialist, will assess the patient's symptoms, medical history, and family history. They will inquire about the nature of the sensations, the frequency and duration of symptoms, and any factors that worsen or alleviate them. The evaluation may also include questions about sleep patterns, lifestyle habits, and any medications or substances that could potentially contribute to the symptoms.



Diagnostic Criteria


While there is no definitive test for RLS, healthcare professionals refer to specific diagnostic criteria to aid in the diagnosis. The International Restless Legs Syndrome Study Group has established four essential criteria that must be met for a diagnosis of RLS:



  1. Urge to move the legs: The patient experiences an uncontrollable urge to move their legs due to uncomfortable sensations.

  2. Worsening of symptoms at rest: The symptoms worsen during periods of rest or inactivity.

  3. Relief with movement: The symptoms are partially or completely relieved by movement, such as walking or stretching.

  4. Nocturnal worsening: The symptoms are worse in the evening or at night compared to the morning.


If these four criteria are met, it is highly suggestive of RLS. However, additional tests may be necessary to rule out other conditions that can mimic RLS symptoms.



Exclusion of Other Conditions


Since RLS symptoms can overlap with those of other conditions, it is crucial to exclude these conditions before confirming a diagnosis. Some conditions that may mimic RLS include peripheral neuropathy, arthritis, varicose veins, and certain metabolic disorders. To rule out these conditions, healthcare professionals may order specific tests such as blood tests, nerve conduction studies, or imaging studies.



Sleep Study


In some cases, a sleep study, also known as polysomnography, may be recommended. This study involves spending a night in a sleep laboratory where various physiological parameters are monitored. A sleep study can help identify any underlying sleep disorders that may be contributing to the symptoms or exacerbating RLS. It can also provide valuable information about the quality of sleep and the presence of periodic limb movements, which are often associated with RLS.



Collaborative Approach


Diagnosing RLS often requires a collaborative approach involving different healthcare professionals. Neurologists, sleep specialists, and sometimes even psychiatrists work together to evaluate the patient's symptoms, medical history, and test results. This multidisciplinary approach ensures a comprehensive assessment and accurate diagnosis.



Conclusion


Diagnosing Restless Leg Syndrome involves a combination of clinical evaluation, adherence to diagnostic criteria, exclusion of other conditions, and sometimes the use of sleep studies. While there is no specific test for RLS, healthcare professionals rely on the patient's symptoms and medical history to make an accurate diagnosis. If you suspect you may have RLS, it is important to consult with a healthcare professional who can guide you through the diagnostic process and develop an appropriate treatment plan.


Diseasemaps
2 answers
Symptoms usually best diagnosed through a specialist Neurologist, perhaps a sleep study, or as in my own diagnosis, 3 times full test/medical examinations and sleep study over a one year period.

Posted Feb 27, 2017 by John 1020

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