Endomyocardial biopsy.
D001706:Biopsy / Q000009:adverse effects / Q000379:methods; D006332:Cardiomegaly / Q000175:diagnosis; D009202:Cardiomyopathies / Q000175:diagnosis; D006801:Humans; D009206:Myocardium / Q000201:enzymology / Q000473:pathology*