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Mid-Left Ventricular Ballooning Variant Takotsubo Syndrome Induced by Treadmill Exercise Stress Testing

Gregg Cantor1, Getu Teressa1

  • 1Department of Medicine, Stony Brook University Medical Center, USA.

Case Reports in Cardiology
|December 25, 2018
PubMed

Insights

Takotsubo cardiomyopathy, or stress-induced cardiomyopathy, mimics heart attacks but lacks blocked arteries. This case highlights a variant triggered by exercise stress testing, showing mid-left ventricular dysfunction.

Area of Science:

  • Cardiology
  • Cardiovascular Medicine
  • Clinical Case Reports

Background:

  • Stress-induced cardiomyopathy (Takotsubo cardiomyopathy) mimics myocardial infarction symptoms following stressors.
  • Classically presents with transient left ventricular apical systolic dysfunction.
  • Diagnosis excludes obstructive coronary artery disease.

Observation:

  • A patient presented with symptoms similar to myocardial infarction after treadmill exercise stress testing.
  • No obstructive coronary artery disease was identified.
  • The patient exhibited mid-left ventricular hypokinesis.

Findings:

  • The case demonstrates a variant of takotsubo cardiomyopathy triggered by exercise stress.
  • This variant presented with mid-left ventricular hypokinesis, differing from the typical apical ballooning.
  • Exercise stress testing can precipitate atypical forms of stress-induced cardiomyopathy.

Implications:

  • Highlights the diverse clinical presentations of takotsubo cardiomyopathy.
  • Suggests exercise stress testing as a potential trigger for variant forms.
  • Emphasizes the importance of considering takotsubo cardiomyopathy in patients with stress-related cardiac dysfunction, even with atypical patterns.

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