Myocardial biopsy

Alternative names:

biopsy of the heart; heart biopsy

Normal values:

• normal heart muscle tissue
• no abnormal tissues

What abnormal results mean:

This test may reveal:

• causes of cardiomyopathy
• myocarditis
• amyloid
• transplant rejection

Additional conditions under which the test may be performed:

• alcoholic cardiomyopathy
• hypertrophic cardiomyopathy
• idiopathic cardiomyopathy
• ischemic cardiomyopathy
• peripartum cardiomyopathy
• restrictive cardiomyopathy