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10 Cards in this Set

  • Front
  • Back
clinical presentation of Myocarditis?
many cases are asymptomatic

Acute = fever, pericarditis,EKG changes, dysarythmia, CHF. sudden death
Characteristics of Viral myocarditis
causes lymphocytic infiltrates with myocyte necrosis

elevation of Ab titers (Coxsacie B)

classic history inc. prior upper resp tract infection
Characteristics of bacterial/ fungal myocarditis
usually b/c of infective endocarditis os systemic infxn

Diptheric myocarditis = exotoxin produced by Corynebacterium diphtheriae
Characteristics of protozoal myocarditis
inc. thrichonosis, toxoplasms, and Chagas' disease

Dx made by demonstration of parasitization of individual myocardial fibers
What is Chagas disease?
cause of 25% of young adult deaths in endemic areas

flagellated trypanosomas circulate in blood, enter tissues and proliferate as amastigotes

fatality is due to acute phase of infection
What is Toxoplasmosis?
parasitic myocarditis most often seen in the presence of immunosuppression
Characteristics of hypersensitivity myocarditis
typically an allergic rxn to a drug (esp antibiotics)

peripheral eosinophilia is common; cardiac symptoms are usual

usually resolves when drug use ends and does not usually damage myocardium
Characteristics of Autoimmune myocarditis
may occur in systemic autoimmune disease

ex. lupus, scleroderma
Characteristics of giant cell myocarditis
not a single entity but may be seen as a part of any of the other myocarditis'

seen in granulomatous disease
What are the 3 general groups of Cardiomyopathies?
1. Dialted congestive cardiomyopathy

2. Restrictive Cardiomyopathy

3. Hypertrophic cardiomyopathy