RLS: It can happen in arms also. Check iron and ferritin levels and do sleep study to rule out pmld.
Answered 9/5/2013
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Not necessarily: Rls is better thought of as "restless limb syndrome" in that it can affect both upper and lower extremities (though lower is much more common). It is a clinical diagnosis, and as such a sleep study is not indicated to evaluate/diagnose rls. If there are concerns for other sleep disorders (e.g. Sleep apnea) then a sleep study would be indicated.
Answered 10/4/2016
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