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Related Concept Videos

Asthma-III: Symptoms and Complications01:24

Asthma-III: Symptoms and Complications

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Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
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Asthma-I: Introduction01:29

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Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
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Hyperpnea and Hyperventilation01:25

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Hyperventilation refers to a higher-than-normal rate and depth of breathing, often associated with anxiety attacks. This excessive breathing surpasses the body's need to expel CO2, leading to a condition known as hypocapnia - an unusually low level of carbon dioxide in the blood. Hypocapnia can constrict cerebral blood vessels, reducing blood flow to the brain, which may result in dizziness or fainting. Early signs include tingling and muscle spasms in the hands and face, caused by falling...
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Asthma-IV: Diagnostic and Management01:30

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Breathing01:05

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The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...
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The nursing management of asthma is a comprehensive approach that relies heavily on the expertise and dedication of healthcare professionals. It involves thorough assessment, accurate diagnosis, strategic planning, effective implementation, and diligent evaluation. By meticulously following this step-by-step process, healthcare professionals play a crucial role in providing the best possible care and treatment for patients with asthma, enhancing their overall health and well-being.
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Training Rats to Voluntarily Dive Underwater: Investigations of the Mammalian Diving Response
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Training Rats to Voluntarily Dive Underwater: Investigations of the Mammalian Diving Response

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Can asthmatic subjects dive?

Yochai Adir1, Alfred A Bove2

  • 1Pulmonary Division, Lady Davis Carmel Medical Center, Faculty of Medicine, The Technion, Institute of Technology, Haifa, Israel adir-sh@zahav.net.il.

European Respiratory Review : an Official Journal of the European Respiratory Society
|June 2, 2016
PubMed
Summary
This summary is machine-generated.

Asthma patients can safely participate in recreational scuba diving. Past concerns about increased risks are not supported by current data, suggesting a less restrictive approach for asthmatic diver candidates.

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Area of Science:

  • Diving Medicine
  • Pulmonary Medicine
  • Sports Medicine

Background:

  • Recreational scuba diving is increasingly popular.
  • Asthma affects divers and the general population similarly.
  • Historically, asthmatic individuals were restricted from scuba due to theoretical risks.

Purpose of the Study:

  • To review theoretical risks of scuba diving for asthmatics.
  • To analyze epidemiological data concerning asthmatic divers.
  • To recommend an updated approach for asthmatic diver candidates.

Main Methods:

  • Literature review of theoretical risk factors.
  • Epidemiological data analysis.
  • Synthesis of current clinical experience and research.

Main Results:

  • Theoretical concerns regarding pulmonary barotrauma and decompression sickness in asthmatic divers are not definitively supported by current evidence.
  • Field experience and existing literature suggest that the previous conservative approach may be overly restrictive.

Conclusions:

  • The dogmatic exclusion of asthmatic candidates from scuba diving is not supported by current data.
  • A revised, evidence-based approach is recommended for evaluating asthmatic scuba diver candidates.