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Conceptual Definitions of Fatigue

Conceptual Definitions of Fatigue. Andrea Barsevick, PhD, RN, AOCN. Concepts describing fatigue experience. Subjective Behavioral Physical Emotional experience Cognitive Temporal Unusual Provided terms used in definition indicative of the concept. Most comprehensive definition.

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Conceptual Definitions of Fatigue

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  1. Conceptual Definitions of Fatigue Andrea Barsevick, PhD, RN, AOCN

  2. Concepts describing fatigue experience • Subjective • Behavioral • Physical • Emotional experience • Cognitive • Temporal • Unusual Provided terms used in definition indicative of the concept

  3. Most comprehensive definition • Schwartz, 1998 – all concepts included: Self-perceived state with four dimensions: physical, including neurophysiologic aspects (e.g., muscle weakness, exhaustion, pain) possibly leading to impaired physical function; emotional – loss of ability and feelings of helplessness and vulnerability; cognitive dimension – decline in direct attention, leading to distraction and impaired concentration; temporal: chronic fatigue (versus acute fatigue) – has no function (e.g., protective), generalized effect on mind and body, associated with unpredictable onset and not quickly remedied, major impact on QOL, rapid changes – temporal pattern. (Consistent with NANDA definition.)

  4. Most comprehensive definitions(only 1 concept missing) • NCCN • Dalakas, Mock, & Hawkins, 1998 • Piper, 1998 • Cella, Peterman, Passik, Jacobsen, & Breitbart, 1998

  5. Questions • What are the essential concepts for a definition? • Can the concepts associated with the definition of fatigue cross the research-clinical divide in an attempt to create a definition for universal application?

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