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Related Concept Videos

Fatigue01:21

Fatigue

994
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...
994
Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

860
The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
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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...
4.8K
Chronic Obstructive Pulmonary Disease01:24

Chronic Obstructive Pulmonary Disease

3.1K
COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
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Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.01:25

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

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Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
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Chronic Obstructive Pulmonary Disease-I: Introduction01:20

Chronic Obstructive Pulmonary Disease-I: Introduction

4.1K
Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
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Acupoint Application as a Traditional Chinese Medicine Treatment for Fatigue Associated with Chronic Obstructive Pulmonary Disease
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Chronic fatigue syndrome.

Timothy J Craig, Sujani Kakumanu, Michael Yeager

    The Journal of the American Osteopathic Association
    |March 17, 2016
    PubMed
    Summary
    This summary is machine-generated.

    Chronic fatigue syndrome (CFS) is a complex illness with unknown causes, characterized by severe fatigue and other symptoms. Diagnosis relies on exclusion, as no definitive test exists for this heterogeneous disorder.

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    Area of Science:

    • Medical Research
    • Immunology
    • Neurology

    Background:

    • Chronic fatigue syndrome (CFS) presents with severe fatigue, myalgias, lymphadenopathy, arthralgias, chills, fevers, and postexertional malaise.
    • Current recognition of CFS is primarily through exclusion, lacking definitive diagnostic tests or specific physical findings.
    • The etiology of CFS remains elusive, with ongoing research investigating infectious, immunologic, neurologic, and psychiatric factors.

    Purpose of the Study:

    • To explore the complex and heterogeneous nature of chronic fatigue syndrome.
    • To highlight the challenges in diagnosing CFS due to its unknown etiology.
    • To emphasize the potential for biological system interactions in CFS.

    Main Methods:

    • Diagnostic exclusion criteria for chronic fatigue syndrome.
    • Review of potential infectious, immunologic, neurologic, and psychiatric etiologic agents.
    • Analysis of CFS as a heterogeneous disorder involving biological system interactions.

    Main Results:

    • Chronic fatigue syndrome is characterized by a wide range of symptoms including severe fatigue and postexertional malaise.
    • No definitive diagnostic test or specific physical findings currently exist for CFS.
    • CFS is recognized as a heterogeneous disorder potentially involving complex biological system interactions.

    Conclusions:

    • Chronic fatigue syndrome is a complex, heterogeneous disorder with an unknown etiology.
    • Diagnosis of CFS relies heavily on excluding other conditions.
    • Individual patient presentations and genetic profiles likely influence the unique symptoms and serologic profiles observed in CFS.