Myocarditis:Inflammationof themyocardium, the heart muscle.
Myocarditiscan be caused by a number of different conditions. The most common cause isinfectionof theheart muscleby avirus．病毒导致初始心音乐le inflammation. After the initialviral infectionsubsides, the body'simmune systemcontinues to inflict inflammatory damage on the heart muscles, prolonging the myocarditis, aprocesstermedautoimmunity．Other causes of myocarditis include such as a disease calledsarcoidosis, variousautoimmunediseases such as systemiclupus, and certain drugs.
