• Publications
  • Influence
The Canadian CT Head Rule for patients with minor head injury
BACKGROUND There is much controversy about the use of computed tomography (CT) for patients with minor head injury. We aimed to develop a highly sensitive clinical decision rule for use of CT inExpand
  • 1,108
  • 85
Regional variation in out-of-hospital cardiac arrest incidence and outcome.
CONTEXT The health and policy implications of regional variation in incidence and outcome of out-of-hospital cardiac arrest remain to be determined. OBJECTIVE To evaluate whether cardiac arrestExpand
  • 1,664
  • 57
  • PDF
Clinical prediction rules. A review and suggested modifications of methodological standards.
BACKGROUND Clinical prediction rules are decision-making tools for clinicians, containing variables from the history, physical examination, or simple diagnostic tests. OBJECTIVE To review theExpand
  • 1,082
  • 35
  • PDF
Excluding Pulmonary Embolism at the Bedside without Diagnostic Imaging: Management of Patients with Suspected Pulmonary Embolism Presenting to the Emergency Department by Using a Simple Clinical
Pulmonary embolism is a relatively common disease, with an estimated annual incidence in the United States of 23 cases diagnosed per 100 000 persons (1). More than 50% of cases are undiagnosed.Expand
  • 1,118
  • 34
  • PDF
Derivation and validation of an index to predict early death or unplanned readmission after discharge from hospital to the community
Background: Readmissions to hospital are common, costly and often preventable. An easy-to-use index to quantify the risk of readmission or death after discharge from hospital would help cliniciansExpand
  • 604
  • 34
  • PDF
Users' guides to the medical literature: XXII: how to use articles about clinical decision rules. Evidence-Based Medicine Working Group.
Clinical experience provides clinicians with an intuitive sense of which findings on history, physical examination, and investigation are critical in making an accurate diagnosis, or an accurateExpand
  • 922
  • 32
  • PDF
Methodologic standards for the development of clinical decision rules in emergency medicine.
The purpose of this review is to present a guide to help readers critically appraise the methodologic quality of an article or articles describing a clinical decision rule. This guide will also beExpand
  • 482
  • 24
The Canadian C-spine rule versus the NEXUS low-risk criteria in patients with trauma.
BACKGROUND The Canadian C-Spine (cervical-spine) Rule (CCR) and the National Emergency X-Radiography Utilization Study (NEXUS) Low-Risk Criteria (NLC) are decision rules to guide the use ofExpand
  • 493
  • 22
  • PDF
CATCH: a clinical decision rule for the use of computed tomography in children with minor head injury
Background: There is controversy about which children with minor head injury need to undergo computed tomography (CT). We aimed to develop a highly sensitive clinical decision rule for the use of CTExpand
  • 368
  • 19
  • PDF
A study to develop clinical decision rules for the use of radiography in acute ankle injuries.
STUDY OBJECTIVE To develop decision rules that will predict fractures in patients with ankle injuries, thereby assisting clinicians in being more selective in their use of radiography. DESIGNExpand
  • 571
  • 18
  • PDF