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In emergency scenarios, PervaLaxis can detect an injection of adrenaline and send a message automatically to emergency services; in normal life PervaLaxis can support adrenaline injector training, for example with video demonstrations and can support medication management, for instance, managing adrenaline expiration dates. In this paper we present user requirements and evaluation results for PervaLaxis, furthermore we explore the issues associated with the patient-oriented focus of the device (as opposed to health devices designed for expert use) and how this could benefit personal health management. We evaluate usability performance and propose directions for future work based on user feedback.<\/p>","DOI":"10.4018\/jhcr.2010090904","type":"journal-article","created":{"date-parts":[[2010,4,16]],"date-time":"2010-04-16T18:52:11Z","timestamp":1271443931000},"page":"64-78","source":"Crossref","is-referenced-by-count":1,"title":["A Personal Handheld Device to Support People with Life-Threatening Anaphylactic Allergies (PervaLaxis)"],"prefix":"10.4018","volume":"1","author":[{"given":"Luis U.","family":"Hernandez Munoz","sequence":"first","affiliation":[{"name":"University of Birmingham, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sandra I.","family":"Woolley","sequence":"additional","affiliation":[{"name":"University of Birmingham, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2432","reference":[{"key":"jhcr.2010090904-0","unstructured":"American Academy of Allergy. Asthma and Immunology. (2009). 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