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Cardiomegaly on chest X-ray and a pacemaker
Classification and external resources
ICD-10 I51.7
ICD-9 429.3
DiseasesDB 30769
MeSH D006332

Cardiomegaly is a medical condition wherein the heart is enlarged.It can sometimes be temporary due to the stress on the body in conditions like pregnancy,medical conditions etc. Cardiomegaly is a descriptive term used for the finding of an enlarged heart and it is not a disease itself.


Dilation or hypertrophy[edit]

Cardiac dilation is where mainly one or more heart chambers is enlarged, while cardiac hypertrophy is where mainly cardiac muscle is enlarged.

By location[edit]

Clinical Information

  • Abnormal enlargement of the heart.
  • 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.
  • Hypertrophy or enlargement of the heart.


Calcified heart with cardiomegaly at a medical class at Monterrey Institute of Technology and Higher Education, Mexico City.

External links[edit]

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Cardiomegaly — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
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250 news items

Clinical Advisor
Fri, 01 May 2015 11:50:32 -0700

Image of the Week: Cardiomegaly. This patient had pericarditis with a massive pericardial effusion. Pericardial effusions can be identified on chest x-rays by their smooth, symmetrically enlarged silhouette. The Image of the Week for May 3 is brought ...

Cleveland Jewish News

Cleveland Jewish News
Wed, 29 Apr 2015 09:01:45 -0700

He was found dead at his home in Beachwood, with the cause of death hypertensive and dilated cardiomyopathy (a disease of the heart muscle) with cardiomegaly (an enlarged heart), according to the Cuyahoga County Medical Examiner's Office.

Boston Globe

Boston Globe
Thu, 01 Jan 2015 21:03:38 -0800

According to Rosanne, the medical examiner's report said Neil died due to complications from a bicuspid aortic valve, which has only two leaflets instead of the normal three, and cardiomegaly, an enlarged heart. Neil was only 34 when he died in his ...

Texas A&M University

Texas A&M University
Tue, 24 Mar 2015 11:20:44 -0700

Mitral valve disease accounts for approximately 75 percent of all canine heart disease, but a recently finished clinical trial shows that a potential treatment might help. The trial, titled “Evaluating Pimobendan In Cardiomegaly” (EPIC), is the largest ...

Science 2.0

Science 2.0
Mon, 13 Apr 2015 08:18:58 -0700

This resulted in extreme cardiomyocyte proliferation and hypertrophy - excessive growth of the individual cardiomyocytes - leading to a giant heart (cardiomegaly) that left little room for blood to enter. Tzahor: "Too little or too much of this protein ...

National Review Online

National Review Online
Tue, 21 Apr 2015 01:38:55 -0700

respiratory failure, pulmonary edema, likely acute pulmonary hypertension, cardiomegaly, pulmonary vascular congestion, acute burns of the upper and especially the proximal lower airways, and death.” That's what high-level exposure to chlorine gas does ...


Wed, 01 Apr 2015 18:18:45 -0700

The Mayo Clinic notes, “An enlarged heart (cardiomegaly) isn't a disease, but rather a symptom of another condition…Other tests are then needed to diagnose the condition causing your enlarged heart.” The eight-page autopsy report and toxicology report ...


Mon, 30 Mar 2015 13:15:33 -0700

Six-year-old Jenny Yang's official cause of death is sudden cardiac arrest with cardiomegaly and etiology underdetermined, the Office of the Chief Medical Examiner announced Monday. "That is an abnormal enlargement of the heart," Chief Administrative ...

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