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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



(myocardosis), a term often applied to a broad group of heart diseases; specifically, noninflammatory lesions of the heart muscle (myocardium) resulting from a disturbance in myocardial metabolism. Among the causes of cardiomyopathy are nutritional disorders (alimentary dystrophy and avitaminosis, for example); protein metabolism disorders in hepatic or renal insufficiency and podagra; disturbances of carbohydrate metabolism (diabetes mellitus) and electrolyte metabolism; and endocrine disorders such as those associated with thyrotoxicosis and with hypoxia in impairment of coronary circulation, anemia, and mountain sickness. Myocardosis may also be caused by overstraining the myocardium and by exogenous poisons, such as carbon monoxide and alcohol.

In many cases the patient has no specific symptoms in the early stages; however, there may be shortness of breath and disagreeable sensations in the heart. Cardiomyopathy is manifested by dull, distant heart sounds, electrocardiographic changes, systolic murmur, extrasystole, and, more rarely, other types of arrhythmia. Severe cardiomyopathy weakens the heart contractions and may cause cardiac insufficiency. The changes associated with cardiomyopathy are usually reversible and disappear with the elimination of the underlying disease.

The cure includes treatment of the underlying disease and administration of agents that improve metabolic processes in the myocardium.


Kedrov, A. A. Bolezni myshtsy serdtsa. Leningrad, 1963.


The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
van den Berg et al., "Titin gene mutations are common in families with both peripartum cardiomyopathy and dilated cardiomyopathy," European Heart Journal, vol.
Frequency of peripartum cardiomyopathy. Am J Cardiol 2006;97:1765-8.
Cardiac arrest during emergency caesarean section due to peripartum cardiomyopathy. Masui 2003;52(10):1089-91.
Some of the tests used to diagnose peripartum cardiomyopathy include the following: ECHO, ECG, chest X-Ray, BNP and cardiac MRI.
Myocarditis and long-term survival in peripartum cardiomyopathy. Am Heart J 2000;140:785-791.
Peripartum cardiomyopathy is one of the rare causes of dilated cardiomyopathy presenting in the last trimester of pregnancy or within first 6 months after delivery in the absence of any preexisting cardiovascular disease.
"Peripartum cardiomyopathy occurs in one in 3,000 pregnancies when a woman's heart becomes weakened.
"Someday this may lead to early testing during pregnancy that can identify women who are at risk for peripartum cardiomyopathy. We may be able to reduce or even prevent some of the complications of this disease," added Horne.
Magnetic resonance imaging in a patient with peripartum cardiomyopathy. Intern Med.
It was concluded by pathologist Dr David Lowe and Dr Stewart that it was caused by peripartum cardiomyopathy - a rare disorder which affects women in the final month of pregnancy or within five months after delivery.