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Troponins in Tako-tsubo cardiomyopathy

Sameer Chadha1, Ankur Lodha, Vijay Shetty

  • 1Maimonides Medical Center, 4802 10th Avenue, Brooklyn, NY 11219, USA.

Heart, Lung & Circulation
|February 19, 2013
PubMed

Insights

Tako-tsubo cardiomyopathy (TCM) mimics heart attacks but usually has mild enzyme elevations. This case reports unusually high Troponin I levels in a TCM patient, a finding not previously documented.

Area of Science:

  • Cardiology
  • Internal Medicine

Background:

  • Tako-tsubo cardiomyopathy (TCM), or stress-induced cardiomyopathy, presents similarly to acute myocardial infarction.
  • Typical TCM cases exhibit chest pain, EKG changes, and mild elevations in cardiac biomarkers.

Observation:

  • This case report details a patient diagnosed with TCM.
  • The patient presented with clinical signs consistent with myocardial infarction.

Findings:

  • The patient exhibited significantly elevated Troponin I levels, reaching up to 42.3 ng/ml.
  • This represents the highest reported Troponin I elevation in a confirmed case of TCM to date.

Implications:

  • This finding challenges the traditional understanding of cardiac biomarker levels in TCM.
  • Further research is warranted to explore the mechanisms behind extreme troponin elevation in TCM.
  • Clinicians should consider TCM even with markedly elevated cardiac enzymes.

Keywords:
Cardiac biomarkersTako-tsubo cardiomyopathyTroponins

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