Shark fin sign: A rare EKG finding in a patient with Takotsubo cardiomyopathy from influenza A infection.

This case demonstrated the rare "shark fin" ECG pattern, an ST-segment elevation typically seen in acute myocardial infarction. We reported a case of takotsubo cardiomyopathy secondary to influenza A infection with multiple organ failure, showing the shark fin sign and resulting in in-patient mortality and various complication.

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© 2024 The Author(s). Clinical Case Reports published by John Wiley & Sons Ltd.

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There are no conflicts of interest to declare.