Is myocarditis a heart disease?

Children myocarditis is a kind of heart disease, general heart disease including myocarditis, congenital heart disease, pericarditis and other lesions, myocarditis if it is mild, no discomfort symptoms appear, mainly to rest, if the disease is more serious, need timely treatment. In addition myocarditis is also caused by viral infection myocardial cell damage, does not belong to the heart organic disease.