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Visually confirmed post-systolic shortening during the recovery period in four cases of Takotsubo cardiomyopathy

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Abstract

We report visually confirmed post-systolic shortening (PSS) during the recovery period and the relationship between PSS and electrocardiographic abnormalities in 4 cases of Takotsubo cardiomyopathy (TTC). In these 4 cases, the appearance of visually confirmed PSS during the recovery period coincided with observation of the deepest T wave and the longest QT interval. The transmural repolarization gradient and heterogeneous duration of myocardial contractions may cause PSS in the TTC recovery period.

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Conflict of interest

Kazuaki Tanabe received lecture fees from Toshiba Medical Systems Corporation. Hirotomo Sato, Hiroyuki Yoshitomi, Nobuhide Watanabe, Tomoko Adachi, Saki Ito, and Kazuto Yamaguchi declare that they have no conflict of interest.

Human rights statement

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000(5).

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Informed consent was obtained from all patients for being included in the study.

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Authors and Affiliations

  1. Division of Cardiology, Shimane University Faculty of Medicine, 89-1 Enya-cho, Izumo, Shimane, 693-8501, Japan

    Hirotomo Sato, Hiroyuki Yoshitomi, Nobuhide Watanabe, Tomoko Adachi, Saki Ito, Kazuto Yamaguchi & Kazuaki Tanabe

Authors
  1. Hirotomo Sato
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  2. Hiroyuki Yoshitomi
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  3. Nobuhide Watanabe
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  4. Tomoko Adachi
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  5. Saki Ito
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  6. Kazuto Yamaguchi
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  7. Kazuaki Tanabe
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Corresponding author

Correspondence to Kazuaki Tanabe.

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Sato, H., Yoshitomi, H., Watanabe, N. et al. Visually confirmed post-systolic shortening during the recovery period in four cases of Takotsubo cardiomyopathy. J Echocardiogr 12, 159–161 (2014). https://doi.org/10.1007/s12574-014-0231-3

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  • DOI: https://doi.org/10.1007/s12574-014-0231-3

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