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Pneumothorax

/ˌnjuː.məʊˈθɔː.ræks/ noun Pulmonology & Surgery
Board Reviewed
Reviewed: Aug 2026
Medical Definition

Accumulation of air in the pleural space between the parietal and visceral pleura, causing lung collapse.

Detailed Medical Explanation

Pneumothorax is a key clinical concept in Pulmonology & Surgery.

Accumulation of air in the pleural space between the parietal and visceral pleura, causing lung collapse.

Clinical Significance

In routine medical evaluation, understanding Pneumothorax assists clinicians in differential diagnosis, laboratory interpretation, and patient management.

When to Consult a Physician

If you or a family member exhibit persistent symptoms or abnormal test results related to Pneumothorax, consult a board-certified physician or specialist for evaluation.


Clinical Usage & Diagnostic Context

Tension pneumothorax causes tracheal deviation and mediastinal shift requiring emergency needle decompression.

Patient-Friendly Explanation

In simple terms, Pneumothorax refers to: Accumulation of air in the pleural space between the parietal and visceral pleura, causing lung collapse.

Professional Clinical Context

Clinically, Pneumothorax is categorized under Pulmonology & Surgery. Primary clinical manifestations include: Accumulation of air in the pleural space between the parietal and visceral pleura, causing lung collapse.

Medical Disclaimer

This medical glossary entry is provided for health education and informational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional regarding any clinical condition.

Terminology Metadata
  • Specialty Pulmonology & Surgery
  • Part of Speech noun
  • Terminology Type disease
  • Etymology & Origin Greek: pneuma (air) + thorax (chest)
  • Synonyms & Aliases Collapsed lung, pleural air entry
Authoritative References

WHO / Medical Literature

Educational / Fair Use
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