When is endomyocardial biopsy indicated in the workup of dilated cardiomyopathy?

Updated: Nov 28, 2018
  • Author: Vinh Q Nguyen, MD; Chief Editor: Gyanendra K Sharma, MD, FACC, FASE  more...
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Answer

In many cases of cardiomyopathy, endomyocardial biopsy is class II (uncertain efficacy and may be controversial) or class III (generally not indicated). Class II indications for endomyocardial biopsy include the following:

  • Recent onset of rapidly deteriorating cardiac function

  • Patients receiving chemotherapy with doxorubicin

  • Patients with systemic diseases with possible cardiac involvement (eg, hemochromatosis, sarcoidosis, amyloidosis, Löffler endocarditis, endomyocardial fibroelastosis)

See Workup for more detail.


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