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Related Concept Videos

Fatigue01:21

Fatigue

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Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
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Flail Chest-I01:24

Flail Chest-I

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Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
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The pathophysiology of flail chest is complex, involving fractures of...
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Flail Chest-II01:26

Flail Chest-II

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Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
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1. Clinical Evaluation:
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Chest Physiotherapy01:24

Chest Physiotherapy

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Chest Physiotherapy (CPT) is a therapeutic technique used in respiratory care to improve ventilation, clear bronchial secretions, and enhance the efficiency of respiratory muscles. This therapy includes three primary procedures: postural drainage, percussion, and vibration. It can be performed on spontaneously breathing patients and those who are intubated and mechanically ventilated.
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Muscle Recovery and Fatigue01:24

Muscle Recovery and Fatigue

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Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
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Fatigue Strength of Concrete01:22

Fatigue Strength of Concrete

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Fatigue, in the context of materials science and engineering, refers to the weakening or failure of a material caused by repeatedly applied loads, even if these loads are below the strength limit of the material. Fatigue strength in concrete is a critical property that influences its durability and longevity. Concrete can fail in two ways due to fatigue. Static fatigue or creep rupture occurs under a constant load or one that increases slowly. The other failure mode is due to cyclical or...
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Fatigue during Chest Compression Using a Neonatal Patient Simulator.

Diego Enriquez1, Javier Meritano2, Birju A Shah3

  • 1SIMMER Simulación Médica Roemmers (SIMMER), Buenos Aires, Olivos, Argentina.

American Journal of Perinatology
|January 11, 2018
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Chest compression (CC) quality declines and provider fatigue is common during neonatal resuscitation. Regular aerobic activity and a lower body mass index (BMI) improve CC performance, highlighting the need for provider rotation.

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Area of Science:

  • Neonatal Resuscitation
  • Cardiopulmonary Physiology
  • Medical Simulation

Background:

  • Maintaining high-quality chest compressions (CC) is critical during neonatal resuscitation.
  • Operator fatigue can compromise CC effectiveness and patient outcomes.
  • Factors influencing fatigue and performance, such as physical fitness and body composition, require further investigation.

Purpose of the Study:

  • To evaluate chest compression quality and operator fatigue during simulated neonatal resuscitation.
  • To explore the association between CC performance, provider aerobic activity, and body mass index (BMI).

Main Methods:

  • Prospective observational experimental study involving healthcare professionals performing 10-minute simulated neonatal CC with ventilation.
  • Fatigue was proxied by four consecutive CC below target.
  • Aerobic activity participation and BMI were recorded.

Main Results:

  • 52% of participants showed signs of fatigue before the 10-minute mark.
  • Higher BMI and lack of aerobic activity were significantly associated with earlier fatigue.
  • CC performance quality decreased significantly over time, with reduced effectiveness occurring around 7.7 minutes.

Conclusions:

  • Chest compression quality deteriorates, and fatigue is prevalent within 10 minutes of simulated neonatal resuscitation.
  • Provider fatigue is linked to lower aerobic fitness and higher BMI (≥25).
  • Guidelines recommending frequent rotation of CC providers during prolonged neonatal resuscitations are supported by these findings.