Dilated cardiomyopathy

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Dilated cardiomyopathy
Dilated Cardiomyopathy: Gross dilated left ventricle with marked endocardial sclerosis
Image courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology
ICD-10 I42.0
ICD-9 425.4
OMIM 212110
DiseasesDB 3066
MedlinePlus 000168
MeSH D002311

Dilated cardiomyopathy Microchapters

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Overview

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Causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-in-Chief: Sachin Shah, M.D.

Synonyms and keywords: DCM; congestive cardiomyopathy

Overview

Causes

Clinical Presentation

Diagnosis

In terms of determining the etiology a careful history is most instrumental. If the patient has CAD (coronary artery disease) risk factors, known CAD, or angina then a workup for CAD should be undertaken with coronary angiography. A viral prodrome such as viral URI or viral gastroenteritis may make viral myocarditis as a more likely cause. If the patient was exposed to chemotherapy such as anthracyclines then this would be the likely cause. Patients at risk for HIV should undergo testing as HIV can cause a dilated cardiomyopathy. Peripartum cardiomyopathy most often occurs 1 month prior to expected delivery or 5 months after delivery, so recent childbirth is important information. Often by 8 months gestational age pregnancy is physically apparent but it is important to rule out pregnancy in women of childbearing age with dilated cardiomyopathy. Screening questions regarding cocaine or alcohol abuse or other toxin exposure (such as cobalt) should be addressed.

Prognosis

Treatment

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