Template:ICD10 Guideline Myocarditis: Difference between revisions

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 * [[Myocarditis, acute NOS]]
-It can be an acute, subacute, or chronic disorder, and may present with focal or diffuse involvement of the myocardium. Myocarditis can be produced by a variety of infectious and noninfectious causes. In addition, many inherited cardiomyopathies (eg, Fabry disease and arrhythmogenic right ventricular [RV] cardiomyopathy) may present with features of acute or chronic myocarditis.
-Acute myocarditis has been defined as a condition with symptoms of HF developing over three months or less, while chronic myocarditis has been defined as developing over greater than three months.
+Acute myocarditis has been defined as a condition with symptoms (most commonly of heart failure) developing over three months or less, while chronic myocarditis has been defined as developing over greater than three months.
+The relationship between myocarditis and cardiomyopathies is complex.  Myocarditis can (but may not) result in a cardiomyopathy, or it may resolve completely.  In many people with cardiomyopathy, there may have been a myocarditis in the past, but the inflammatory component is gone by the time the cardiomyopathy is diagnosed.
 Diagnostic criteria: