Presentation of Acute myocarditis:
Presentation of disease can vary, ranging from minor symptoms of malaise to acute heart failure.
In adults, symptoms of viraemia, such as fever, myalgias, arthralgias, fatigue, and respiratory or gastrointestinal symptoms, frequently, but not always, precede the onset of myocarditis by several days to a few weeks.
Children, particularly infants, have a more fulminant presentation than adults. Patients may present with dyspnoea, chest pain, palpitations, and decreased exercise tolerance. Fulminant cases are relatively rare.
Ocasionally, the condition resembles myocardial infarction.
Myocarditis may also occur concomitantly with other cardiomyopathies, such as arrhythmogenic right ventricular dysplasia, hypertrophic cardiomyopathy and amyloidosis, or myocardial infarction.