Myocarditis path Flashcards by Alegra Mendez

Q

noninfectious myocarditis

A

hypersensitivity, immune related (RF, RA, SLE, scleroderma, drug rxn)
radiation
epicardial surface smooth, glistening, scattered small yellow microabscesses

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Q

types of infectious myocarditis

A

viral
bacterial
aids
fungal
chagas disease/parasitic

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Q

viral myocarditis

A

Coxsackie A/B, influenza, CMV, HIV, rubellla
T cells
macrophages
giant cells
focal necrosis
after Hx of URI
severe in children/pregnancy

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Q

bacterial myocarditis

A

staph, strep, meningococcal, Lyme

- bacterial colonies + PMNs

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Q

AIDS myocarditis

A

-opportunistic infection
-T cells, macrophages, giant cells, AND PLASMA CELLS
-

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Q

fungal myocarditis

A

toxoplasmosis, aspergillosis, candida
acute inflammatory cells, GMS stain
MIX OF ACUTE/CHRONIC cells

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Q

chagas disease

A

parasitic myocarditis
acute: pseudocyst, inflammation, necrosis
chronic: interstitial fibrosis, hypertrophy, mural thrombi formation
chagoma

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Q

giant cell myocarditis

A

idiopathic
associated with SLE, hyperthyroidism, thymoma
flabby/dilated
necrosis
granulomatous inflammation (not circumscribed)
giant cells
CHF

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