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workers exposed to pigments. There are also rare
cardiomyopathies caused by drugs. Infections, such as acute
rheumatic fever and several viral infections, may cause any of a
number of types of myocarditis. Myocarditis may also occur as a
manifestation of a generalized hypersensitivity (allergic or
immunologic) reaction throughout the body. incidence in children
Pericarditis and myocarditis, inflammation of the sac enclosing
the heart and of the heart muscle, are caused by a variety of
infectious agents; they may result from systemic diseases. The
most common cause is acute rheumatic fever. Symptoms include
pain, fever, and evidence of heart failure. Treatment and
prospects of recovery depend on the underlying cause. What made
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