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Cardiomyopathy (kahr-dee-o-my-OP-uh-thee) is a disease of the heart muscle. It causes the heart to have a harder time pumping blood to the rest of the body, which can lead to symptoms of heart failure.
Viral cardiomyopathy occurs when viral infections cause myocarditis with a resulting thickening of the myocardium and dilation of the ventricles.
Myocarditis is an inflammatory disease of cardiac muscle that is caused by a variety of infectious and noninfectious conditions (table 1) [1]. It can be an acute, subacute, or chronic disorder, and may present with focal or diffuse involvement of the myocardium.
This Review explores the pathophysiology and natural history of viral myocarditis—a common cause of dilated cardiomyopathy and sudden cardiac death.
Suspected viral myocarditis is an important cause of cardiomyopathy that presents diagnostic and therapeutic challenges. The initial evaluation should include electrocardiography, echocardiography, and often contrast-enhanced cardiac MRI.
Infection with a virus is one cause of myocarditis. Sometimes myocarditis is caused by a medicine reaction or a condition that causes inflammation throughout the body. Severe myocarditis weakens the heart so that the rest of the body doesn't get enough blood. Clots can form in the heart, leading to a stroke or heart attack.
Viral infections are the most frequent cause of myocarditis in the United States and other developed countries. In developing countries, rheumatic carditis, Chagas disease, and complications related to advanced HIV/AIDS are important causes of myocarditis.
With the intention of summarizing the currently available knowledge on the pathophysiological mechanisms of viral cardiomyopathy, this review aims to shed light on viral etiology, advanced diagnostics and the current state of treatment options.
Viral heart disease, also known as myocarditis, is a heart condition caused by a virus. The virus attacks the heart muscle, causing inflammation and disrupting the electrical pathways that signal...
Suspected viral myocarditis is an important cause of cardiomyopathy that presents diagnostic and therapeutic challenges. The initial evaluation should include electrocardiography, echocardiography, and often contrast-enhanced cardiac MRI.