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actigraphy
Indications:
1) evaluation of:
- circadian rhythm sleep disorders
- sleep related breathing disorders
- sleep patterns among special populations
- excessive daytime sleepiness [2]
2) determination of response to therapy
3) often replaces polysomnography when
- longitudinal or large scale data sets are needed
- polysomnography is not a cost-efficient option
Procedure:
- involves use of a portable device that measures activity over an extended period of time
- measures movement of a limb & ambient light
Clinical significance: -it is one component of polysomnography
General
electrophysiology
clinical procedure
References
- Morgenthaler T et al,
Practice Parameters for the Use of ActigraSleep Disorders:
An Update for 2007
Standards of Practice Committee, American Academy of Sleep
Medicine
http://www.aasmnet.org/Resources/PracticeParameters/PP_Actigraphy_Update.pdf
- Medical Knowledge Self Assessment Program (MKSAP) 18,
American College of Physicians, Philadelphia 2018