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Related Concept Videos

Fault Types01:18

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When analyzing a single line-to-ground fault from phase A to ground at a three-phase bus, it is important to consider the fault impedance. This impedance is zero for a bolted fault, equal to the arc impedance for an arcing fault, and represents the total fault impedance for a transmission-line insulator flashover. To derive sequence and phase currents, fault conditions are translated from the phase domain to the sequence domain.
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Pleural Effusion Overview
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Medically Unexplained Symptoms (MUS): Faults and Implications.

Michiel Tack1

  • 1Independent researcher, Sint-Laurentiusstraat 87, 9700 Oudenaarde, Belgium. tackmichiel@gmail.com.

International Journal of Environmental Research and Public Health
|April 11, 2019
PubMed
Summary

The classification of medically unexplained symptoms (MUS) negatively impacts patients with functional somatic syndromes (FSS). This broad MUS label hinders clinical understanding and complicates research into FSS pathology.

Keywords:
chronic fatigue syndrome (CFS)fibromyalgiafunctional somatic syndromes (FSS)medically unexplained symptoms (MUS)somatic syndrome disorder (SDD)

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Area of Science:

  • Medical Science
  • Clinical Psychology
  • Psychosomatic Medicine

Background:

  • Medically unexplained symptoms (MUS) pose diagnostic challenges.
  • Functional somatic syndromes (FSS) are often categorized under the broad MUS classification.
  • This broad classification may obscure distinct underlying pathologies and hinder effective patient care.

Purpose of the Study:

  • To analyze the negative consequences of the MUS classification for patients with FSS.
  • To evaluate the impact of the MUS classification on clinical diagnosis and research.
  • To question the reliability of the MUS distinction in long-term patient follow-up.

Main Methods:

  • Literature review of studies on MUS and FSS.
  • Analysis of the implications of broad symptom classification in clinical practice.
  • Examination of longitudinal data on symptom reclassification.

Main Results:

  • The MUS classification groups distinct syndromes, reducing clinical diagnostic utility.
  • Heterogeneous patient samples in research settings impede the investigation of FSS pathology.
  • Long-term follow-up data reveal frequent reclassification of symptoms between medically explained and unexplained categories.

Conclusions:

  • The broad MUS classification is detrimental to both clinical understanding and research of FSS.
  • The reliability of distinguishing MUS from medically explained symptoms is questionable.
  • Revisiting the classification system for FSS is warranted to improve patient outcomes and research accuracy.