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Aneurysm

/ˈæn.jə.rɪ.zəm/ noun Cardiology & Vascular
Board Reviewed
Reviewed: Aug 2026
Medical Definition

A localized, irreversible balloon-like outpouching or arterial wall dilation exceeding 50% of normal vessel diameter.

Detailed Medical Explanation

Aneurysm is a key clinical concept in Cardiology & Vascular.

A localized, irreversible balloon-like outpouching or arterial wall dilation exceeding 50% of normal vessel diameter.

Clinical Significance

In routine medical evaluation, understanding Aneurysm 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 Aneurysm, consult a board-certified physician or specialist for evaluation.


Clinical Usage & Diagnostic Context

High rupture risk (e.g., Abdominal Aortic Aneurysm [AAA] or Cerebral Berry Aneurysm).

Patient-Friendly Explanation

In simple terms, Aneurysm refers to: A localized, irreversible balloon-like outpouching or arterial wall dilation exceeding 50% of normal vessel diameter.

Professional Clinical Context

Clinically, Aneurysm is categorized under Cardiology & Vascular. Primary clinical manifestations include: A localized, irreversible balloon-like outpouching or arterial wall dilation exceeding 50% of normal vessel diameter.

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 Cardiology & Vascular
  • Part of Speech noun
  • Terminology Type general
  • Etymology & Origin Greek: aneurysma (dilation)
  • Synonyms & Aliases Arterial dilation, vascular outpouching
Authoritative References

WHO / Medical Literature

Educational / Fair Use
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