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1 PLMS Periodic Limb Movement Disorder Sample PLMS LAT RAT.

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Presentation on theme: "1 PLMS Periodic Limb Movement Disorder Sample PLMS LAT RAT."— Presentation transcript:

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2 1 PLMS

3 Periodic Limb Movement Disorder

4 Sample PLMS LAT RAT

5 Sample PLMS

6 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

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

10 Calculations Total number of qualifiable events divided by the total hours of sleep (TST) 9


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