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Sailing in the complexity of the ‘shark-fin’ sign

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Footnotes

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  • Contributors All authors were involved in patient care. AL and AGP were involved in preparing the manuscript and data collection. MV gave critical inputs in editing and reviewing the manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests MV reports grants and/or personal fees from Astra Zeneca, Terumo, Alvimedica/CID, Abbott Vascular, Daiichi Sankyo, Bayer, CoreFLOW, Idorsia Pharmaceuticals-Ltd, Universität Basel Department Klinische Forschung, Vifor, Bristol-Myers-Squib SA, Biotronik, Boston scientific, Medtronic, Vesalio, Novartis, Chiesi, PhaseBio, outside the submitted work. The other authors reported no relevant relationship to disclose.

  • Provenance and peer review Not commissioned; internally peer reviewed.

  • Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.