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PLMS

PLMS. Periodic Limb Movement Disorder. Sample PLMS. LAT. RAT. Sample PLMS. Scoring PLMS. Each jerk must be > .5 to 10 seconds in duration Each jerk must represent an 8uV increase in amplitude above resting EMG

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PLMS

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  1. PLMS

  2. Periodic Limb Movement Disorder

  3. Sample PLMS LAT RAT

  4. Sample PLMS

  5. Scoring PLMS • Each jerk must be >.5 to 10 seconds in duration • Each jerk must represent an 8uV increase in amplitude above resting EMG • Must have 4 jerks separated by no less than 5 seconds and no more than 90 seconds

  6. LOC ROC C3-A2 O1-A2 Chin EMG EKG LAT-RAT EMG Intercostal EMG Airflow Significant only when accompanied by EEG arousal Chin EMG may decrease prior to jerk Jerks may last from .5 to 5 seconds Single PLMS jerk

  7. Calculations • Total number of qualifiable events divided by the total hours of sleep (TST)

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