Diseases

Cardiomegaly

Enlargement of the HEART, usually indicated by a cardiothoracic ratio above 0.50. Heart enlargement may involve the right, the left, or both HEART VENTRICLES or HEART ATRIA. Cardiomegaly is a nonspecific symptom seen in patients with chronic systolic heart failure (HEART FAILURE) or several forms of CARDIOMYOPATHIES.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Enlargement of the HEART, usually indicated by a cardiothoracic ratio above 0.50. Heart enlargement may involve the right, the left, or both HEART VENTRICLES or HEART ATRIA. Cardiomegaly is a nonspecific symptom seen in patients with chronic systolic heart failure (HEART FAILURE) or several forms of CARDIOMYOPATHIES.

MeSH Record

Classification

Related Concepts

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MeSH Record

Synonyms

12 entry terms
  • Enlarged Heart
  • Heart Enlargement
  • Enlargement, Heart
  • Heart, Enlarged
  • Cardiac Hypertrophy
  • Heart Hypertrophy
  • Cardiac Hypertrophies
  • Heart Hypertrophies
  • Hypertrophies, Cardiac
  • Hypertrophies, Heart
  • Hypertrophy, Cardiac
  • Hypertrophy, Heart

MeSH Record

Aspects Covered

35 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

Indexing Annotation

general or unspecified; prefer HYPERTROPHY, LEFT VENTRICULAR or HYPERTROPHY, RIGHT VENTRICULAR; note entry term CARDIAC HYPERTROPHY: do not confuse with CARDIOMYOPATHY, HYPERTROPHIC; CARDIOMEGALY, EXERCISE-INDUCED is also available

MeSH Record

History Note

2000(1963)

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

WG 210

AMA Style

References

  1. National Library of Medicine. Cardiomegaly. Medical Subject Headings (MeSH). 2026. Unique ID D006332. http://id.nlm.nih.gov/mesh/2026/D006332
  2. Cardiomegaly. In: Wikipedia. https://en.wikipedia.org/wiki/Cardiomegaly
  3. Cardiomegaly. In: Wikidata. https://www.wikidata.org/wiki/Q1729124