Movement Disorders
Tardive dyskinesia
Jun. 19, 2024
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Toll Free (U.S. + Canada): 800-452-2400
US Number: +1-619-640-4660
Support: service@medlink.com
Editor: editor@medlink.com
ISSN: 2831-9125
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Periodic limb movements are repetitive movements of the legs, sometimes of the arms, occurring at 5- to 90-second intervals, often associated with arousals that reduce the quality of nocturnal sleep. The figure shows periodic limb movements on polysomnogram. C3-A1, C4-A2, and O1-O2 = electroencephalogram channels; L EOG and R EOG = electrooculogram channels; EMG Subm. and EMG Tib. = electromyogram channels to record submental and tibialis muscle activity; Oral/Nasal = air flow; Chest = thoracic excursions; Abd. = abdominal movements; Oxim. = hemoglobin saturation of oxygen. (Contributed by Dr. Antonio Culebras.)