Alongside the development and testing of new audible alarms intended to support International Electrotechnical Commission 60601-1-8, a global standard concerned with alarm safety, the categories of risk that the standard denotes require further thought and possible updating. In this article, we revisit the origins of the categories covered by the standard. These categories were based on the ways that tissue damage can be caused. We consider these categories from the varied professional perspectives of the authors: human factors, semiotics, clinical practice, and the patient or family (layperson). We conclude that while the categories possess many clinically applicable and defensible features from our range of perspectives, the advances in alarm design now available may allow a more flexible approach. We present a three-tier system with superordinate, basic, and subordinate levels that fit both within the thinking embodied in the current standard and possible new developments.
This article addresses the need of including acoustical perspectives in the debate on alarm fatigue within the healthcare domain. We show how conceptualisations and proposed solutions to alarm fatigue are unequally distributed across what could be called the ‘alarm chain’: a generic model of the core structural elements and dynamic relations that constitute any alarm scenario. A focal point in the alarm chain – the ‘alarm mediation cleft’ – seems to divide the alarm fatigue literature from the segment of the alarm literature that deals with auditory alarm design. The current healthcare discourse on alarm fatigue is centred around the ‘premediated alarm phase’, which has the consequence of an unfortunate dichotomous approach to the functionality of sound. We address some shortcomings of this approach and outline some methodological implications and potentials of searching for signs of alarm fatigue in the ‘post-mediated alarm phase’.
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