What Are the Causes of False Positive Troponin?

Q:
What are the causes of false positive troponin?

A:
Troponin test helps diagnose heart attack or injury to heart muscle by measuring the level of cardiac-specific troponin in the blood. And, a positive troponin could indicate heart injury like myocardial infarction.

However, the positive result might be false. The possible causes of false positive troponin are as follows.

Causes:

  • Heterophile antibodies.
  • Medical procedures: cardiac angioplasty/stenting, open heart surgery, electrical cardioversion (purposeful shocking of the heart by medical personnel to correct an abnormal heart rhythm), etc.
  • Other conditions that result in myocardial cell damage: renal (kidney) failure, pulmonary (lung) embolism, etc.

 

Keywords: troponin; positive troponin; false positive troponin; causes of false positive troponin.

* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.