David W. Warren

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The need for effective triage of the increasing number of patients presenting for emergency care was recognized in the early 1990s. Dr. Robert Beveridge led the development of a Canadian triage scale based on work done in Australia to create the Australasian National Triage Scale. The original Canadian Emergency Department Triage and Acuity Scale (CTAS) was(More)
Pediatric stroke is a rare disorder with a paucity of evidence-based treatment options, and can result in significant morbidity and mortality. In contrast to adult acute ischemic stroke, where the use of recombinant tissue plasminogen activator (rt-PA) has been studied in several large, randomized clinical trials, no high-level evidence exists for the use(More)
BACKGROUND Musculoskeletal (MSK) ankle injuries cause significant morbidity in ambulatory pediatric populations. No optimal pharmacotherapy is available. OBJECTIVE To conduct a randomized, double-blind trial to compare 2 drug therapies for soft tissue injury of the ankle. METHODS Patients (N = 77, aged 8-14 y, 61% male) with ankle injuries presenting to(More)
OBJECTIVE We sought to determine the frequency with which fellows in accredited Canadian pediatric emergency medicine (PEM) fellowships perform specific procedures, the level of confidence fellows have in their abilities and whether there are differences in self-perceived success between first- and second-year fellows. METHODS A national survey was(More)
PURPOSE To assess agreement between trained radiographers and consultant radiologists compared with an index radiologist when reporting on magnetic resonance imaging (MRI) examinations of the knee and lumbar spine and to examine the subsequent effect of discordant reports on patient management and outcome. METHODS At York Hospital two MR radiographers,(More)
The CAS Quinquennial Membership Survey Task Force was responsible for overseeing this survey of the CAS membership in 2008. The task force developed the survey with appropriate input, supervised its administration and tabulation, and prepared the report of the results for the CAS leadership in February 2009. Abstract: The popular General/Property-Casualty(More)