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What is a cardiac biopsy?

In a cardiac biopsy, a catheter with a small grasping device is threaded through an artery and into your heart to take a small piece of tissue. A lab analysis of this tissue can show whether you have inflammation of the heart muscle (myocarditis). It may also help find the cause of heart muscle disease (cardiomyopathy). A biopsy can also help show if there is rejection after a heart transplant.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.