Stress-induced cardiomyopathy, so-called Takotsubo cardiomyopathy, has recently been reported in Japan. Stress-induced cardiomyopathy is characterized by transient left ventricular apical dysfunction and ballooning, with normal coronary angiographic findings. We describe a rare case of stress-induced cardiomyopathy associated with lung adenocarcinoma presenting as hyponatremia.

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• Hyponatremia and takotsubo syndrome: a review of pathogenetic and clinical implications
  Kenan Yalta, Orkide Palabıyık, Muhammet Gurdogan, Ertan Yetkın
  Heart Failure Reviews.2023; 29(1): 27.     CrossRef