Chronic Fatigue Syndrome (CFS): assessing symptoms & activity level

Current approaches to the diagnosis and assessment of Chronic

Fatigue Syndrome (CFS) rely primarily on scales that measure

only the occurrence of various symptoms related to CFS. Such

approaches do not provide information on either the severity

of symptoms or on fluctuations in symptom severity and

activity level that occur over time. As a result, these

measures do not reflect the complexities and the

interrelations among symptoms. By obscuring the fluctuating

nature of CFS and its high variability, current assessment

procedures may prevent health care professionals from

understanding the complexities of this disease. The present

study provides two CFS case studies to illustrate the

advantages of using self-reporting rating scales in

combination with a device used to measure the frequency and

intensity of activity. The implications of this assessment

system, which captures the symptom dynamics and variability

involved in CFS, are discussed.

Jason LA, King CP, Frankenberry EL, Jordan KM, Tryon WW, Rademaker

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