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Regadenoson cardiac stress test-induced stress cardiomyopathy

Jagadeesh K Kalavakunta1, Dominika M Zoltowska2, Yashwant Agrawal2

  • 1Cardiology, Borgess Medical Center/Michigan State University, Kalamazoo, Michigan, USA.

BMJ Case Reports
|August 12, 2017
PubMed

Insights

Takotsubo cardiomyopathy, or stress-induced cardiomyopathy, mimics heart attacks. This case report details a patient who developed stress-induced cardiomyopathy after a cardiac stress test, but recovered with treatment.

Area of Science:

  • Cardiology
  • Cardiovascular Medicine
  • Clinical Case Reports

Background:

  • Takotsubo cardiomyopathy (TTC), also known as apical ballooning syndrome or stress-induced cardiomyopathy, mimics acute coronary syndromes.
  • It is typically triggered by significant physiological or emotional stress.

Observation:

  • A 55-year-old woman presented with congestive heart failure shortly after a regadenoson cardiac stress test.
  • Transthoracic echocardiogram showed reduced heart function.

Findings:

  • Cardiac catheterization revealed normal coronary arteries.
  • Left ventriculography confirmed the diagnosis of apical ballooning syndrome.
  • Guideline-directed therapy led to improved heart function and symptom resolution.

Implications:

  • This case highlights regadenoson cardiac stress testing as a potential trigger for Takotsubo cardiomyopathy.
  • Early recognition and appropriate management are crucial for recovery.
  • Further research into stress-induced cardiomyopathy triggers is warranted.

Keywords:
cardiovascular medicineheart failureinterventional cardiology

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