Myocardial Pathology Flashcards
Cardiac myxomas are found more frequently in the ____________.
left atrium
Pathologic findings suggestive of viral myocarditis are ___________.
lymphocytes between the myocytes
__________ is a chemotherapeutic agent that is toxic to the myocardium in a cumulative dose relationship.
Adriamycin (doxorubicin)
Amyloid deposits tend to have a __________ pattern upon histological examination.
cracking
Under polarized light, amyloid plaques turn _____________.
“granny apple green”
Normal myocardium is rich in ________, but doesn’t have much __________.
vasculature; connective tissue
The most common cardiac neoplasm in teens and adults is ___________.
myxoma
Fragments of __________ can embolize and cause strokes.
myxomas
_________ are the most common cardiac neoplasms of infancy.
Rhabdomyomas
The most common parasitic forms of myocarditis are ___________.
trichinosis or trypanasoma
Exogenous toxins of the myocardium are ____________.
alcohol, Adriamycin (doxorubicin), and cobalt
Most cases of amyloidosis are __________.
sporadic
Which organs can amyloidosis affect?
Many (heart, liver, kidneys, and the spleen)
What three proteins are often defective in congenital hypertrophic cardiomyopathy?
Myosin-binding protein C, ß-myosin heavy chain, and troponin T
Of true primary cardiomyopathies, which is predominatly genetic, dilated or hypertrophic?
Hypertrophic
