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Related Concept Videos

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Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations

Chronic Obstructive Pulmonary Disease, or COPD, is a long-term condition marked by persistent and only partially reversible airflow limitation. It involves two overlapping conditions—chronic bronchitis and emphysema—which often co-appear but differ in dominant symptoms and underlying mechanisms.Chronic Bronchitis FeaturesChronic bronchitis presents with a persistent productive cough and thick, sometimes purulent mucus due to airway inflammation, enlarged mucus glands, and goblet cell...
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Related Experiment Videos

Illnesses at high altitude.

Robert B Schoene1

  • 1Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA.

Chest
|August 7, 2008
PubMed
Summary
This summary is machine-generated.

High-altitude illnesses like acute mountain sickness can affect healthy individuals. Prompt recognition and treatment are crucial for preventing severe conditions such as high-altitude cerebral and pulmonary edema.

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Area of Science:

  • Physiology
  • Altitude Medicine
  • Environmental Health

Background:

  • High-altitude illnesses impact individuals visiting elevations above 2,000 m.
  • These conditions arise from fluid shifts from the bloodstream to tissues, particularly the brain and lungs.
  • Acute mountain sickness is common and can escalate to life-threatening cerebral or pulmonary edema.

Purpose of the Study:

  • To review normal physiological adaptation to high altitude.
  • To detail the clinical presentations, prevention strategies, and treatments for high-altitude illnesses.
  • To explore the underlying mechanisms of high-altitude related disorders.

Main Methods:

  • Review of existing literature on high-altitude physiology and pathology.
  • Synthesis of clinical data on the presentation, prevention, and treatment of altitude illnesses.
  • Examination of research findings on the pathophysiology of these conditions.

Main Results:

  • Normal acclimatization involves physiological adjustments to reduced oxygen availability.
  • Clinical manifestations range from mild acute mountain sickness to severe high-altitude cerebral edema and high-altitude pulmonary edema.
  • Effective prevention and treatment strategies are essential for managing these risks.

Conclusions:

  • Understanding the mechanisms and clinical features of high-altitude illnesses is vital for healthcare providers.
  • Improved practitioner knowledge will enhance patient care and safety for the growing number of high-altitude travelers.
  • This review focuses on acute altitude maladies, excluding specific populations like high-altitude residents or athletes.