Diagnostic Biopsies of the Native Heart

Endomyocardial biopsy in the nontransplant setting can be diagnostic for particular diseases. Such disorders include amyloidosis, myocarditis, sarcoidosis, iron overload, glycogen storage disorders, and lysosomal storage disorders. The diagnostic features of these disorders on endomyocardial biopsy will be discussed along with the impact of endomyocardial biopsy-based diagnoses on patient management and prognosis.