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Infographic. The breathless athlete: EILO
  1. Steffan Arthur Griffin1,
  2. Emil S Walsted2,
  3. James H Hull3
    1. 1 Department of Primary Care and Public Health, Imperial College London, London, UK
    2. 2 Respiratory Research Unit, Bispebjerg Hospital, Kobenhavn, Denmark
    3. 3 Department of Respiratory Medicine, Royal Brompton Hospital, London, UK
    1. Correspondence to Dr Steffan Arthur Griffin; steffangriffin{at}

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    Exercise-induced laryngeal obstruction (EILO) describes a condition in which the voice box closes inappropriately during vigorous exercise to precipitate respiratory symptoms, such as cough, wheeze and breathlessness.1 This can occur secondary to adduction of the vocal cords (glottic mechanism) ± collapse of the arytenoid or aryepiglottic mucosa (supraglottic mechanism) with complete or incomplete obstruction of the larynx. The condition is highly prevalent in young athletes and estimated to affect between 5% and 10% of all adolescents.2 Despite this, EILO often remains overlooked as the cause of …

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    • Contributors SAG, JHH and ESW contributed the content, which was then formatted as an infographic.

    • 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 None declared.

    • Patient consent Not required.

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

    • Collaborators Yann Le Meur.