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Table 45.5

Features of Stress (Takotsubo) Cardiomyopathy

  • Transient hypokinesis, akinesis or dyskinesis of the left ventricular mid-segments with or without apical involvement
  • The regional wall motion abnormalities extend beyond a single epicardial vascular distribution
  • Absence of obstructive coronary disease* or angiographic evidence of acute plaque rupture
  • New electrocardiographic abnormalities (either ST-segment elevation and/or T-wave inversion) and/or modest elevation in cardiac troponin
  • Absence of phaeochromocytoma (Chapter 94) or myocarditis

* May rarely coexist with obstructive coronary disease.