Abstract
PURPOSE: Transient left ventricular apical ballooning syndrome (LVABS) or Takotsubo's cardiomyopathy is characterized by symptoms and electrocardiogram (ECG) changes similar to acute coronary syndromes in absence of significant coronary artery obstruction. The pathogenesis of the LVABS has not been elucidated clearly. We describe six patients with LVABS to illustrate the clinical features and a possible cause of this transient left ventricular systolic dysfunction. These patients developed LVABS on exposure to exogenous catecholamines.
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