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    "Sorry, what did you say?" Communicating defibrillator retrieval and use in OHCA emergency calls.

    Access Status
    Fulltext not available
    Embargo Lift Date
    2021-09-17
    Authors
    Perera, Niru
    Ball, Stephen
    Birnie, Tanya
    Morgan, Alani
    Riou, Marine
    Whiteside, Austin
    Perkins, Gavin D
    Bray, Janet
    Fatovich, Daniel M
    Cameron, Peter
    Brink, Deon
    Bailey, Paul
    Finn, Judith
    Date
    2020
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Perera, N. and Ball, S. and Birnie, T. and Morgan, A. and Riou, M. and Whiteside, A. and Perkins, G.D. et al. 2020. "Sorry, what did you say?" Communicating defibrillator retrieval and use in OHCA emergency calls. Resuscitation. 156: pp. 182-189.
    Source Title
    Resuscitation
    DOI
    10.1016/j.resuscitation.2020.09.006
    ISSN
    0300-9572
    Faculty
    Faculty of Health Sciences
    School
    School of Nursing, Midwifery and Paramedicine
    Funding and Sponsorship
    http://purl.org/au-research/grants/nhmrc/1116453
    URI
    http://hdl.handle.net/20.500.11937/81328
    Collection
    • Curtin Research Publications
    Abstract

    BACKGROUND: The defibrillator prompt, which directs callers to retrieve a defibrillator during out-of-hospital-cardiac arrest, is crucial to the emergency call because it can save lives. We evaluated communicative effectiveness of the prompt instated by the Medical Priority Dispatch System ™ version 13, namely: if there is a defibrillator (AED) available, send someone to get it now, and tell me when you have it.

    METHODS: Using Conversation Analysis and descriptive statistics, we examined linguistic features of the defibrillator sequences (call-taker prompt and caller response) in 208 emergency calls where non-traumatic out of hospital cardiac arrest was confirmed by the emergency medical services, and they attempted resuscitation, in the first six months of 2019. Defibrillator sequence durations were measured to determine impact on time to CPR prompt. The proportion of cases where bystanders retrieved defibrillators was also assessed.

    RESULTS: There was low call-taker adoption of the Medical Priority Dispatch System ™ version 13 prompt (99/208) compared to alternative prompts (86/208) or no prompt (23/208). Caller responses to the version 13 prompt tended to be longer, more ambiguous or unrelated, and have more instances of repair (utterances to address comprehension trouble). Defibrillators were rarely brought to the scene irrespective of defibrillator prompt utilised.

    CONCLUSION: While the version 13 prompt aims to ensure the use of an available automatic external defibrillator, its effectiveness is undermined by the three-clause composition of the prompt and exclusion of a question structure. We recommend testing of a re-phrased defibrillator prompt in order to maximise comprehension and caller action.

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