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Midventricular ballooning Takotsubo cardiomyopathy complicated by transient complete atrioventricular block

Tomonori Sugiura1, Yasuaki Dohi, Sumiyo Yamashita

  • 1Department of Cardio-Renal Medicine and Hypertension, Nagoya City University Graduate School of Medical Sciences, Japan. tomosugi@med.nagoya-cu.ac.jp

Internal Medicine (Tokyo, Japan)
|September 3, 2013
PubMed

Insights

A woman experienced transient complete atrioventricular block and midventricular Takotsubo cardiomyopathy after ingesting detergent. Symptoms resolved, with normal heart function and conduction system upon discharge.

Area of Science:

  • Cardiology
  • Toxicology

Background:

  • Takotsubo cardiomyopathy (TTC) is a reversible heart condition.
  • Ingestion of toxic substances can precipitate cardiac events.

Observation:

  • A 63-year-old woman presented with unconsciousness after drinking detergent.
  • Electrocardiogram revealed complete atrioventricular block, requiring temporary pacing.
  • Left ventriculography showed midventricular Takotsubo cardiomyopathy; coronary angiograms were normal.

Findings:

  • The atrioventricular block was transient and resolved.
  • Left ventricular wall motion and function gradually recovered.
  • Electrophysiological study confirmed normal atrioventricular conduction before discharge.

Implications:

  • This case highlights a rare association between detergent ingestion and TTC with atrioventricular block.
  • It underscores the importance of considering toxic ingestions in cardiac emergencies.
  • Prompt diagnosis and management are crucial for favorable outcomes in such cases.

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