ContextHigh levels of variation and inefficiency exist in current clinical practice regarding
use of cervical spine (C-spine) radiography in alert and stable trauma patients.ObjectiveTo …

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 …

ContextCurrent use of cranial computed tomography (CT) for minor head injury is increasing
rapidly, highly variable, and inefficient. The Canadian CT Head Rule (CCHR) and New …

Background Coronary thrombosis and pulmonary thromboembolism are common causes of
cardiac arrest. We assessed whether the administration of tissue plasminogen activator (t-PA…

Objective To evaluate the effectiveness of an active strategy to implement the validated
Canadian C-Spine Rule into multiple emergency departments. Design Matched pair cluster …

Study objective: To determine the frequency of utilization, yield for brain injury, incidence of
missed injury, and variation in the use of computed tomography (CT) for ED patients with …

Background: The Canadian CT Head Rule was developed to allow physicians to be more
selective when ordering computed tomography (CT) imaging for patients with minor head …

Head injuries are among the most common types of trauma seen in North American
emergency departments, with an estimated 1 million cases seen annually. “Minor” head injury (…

Objective: To determine whether naloxone administered IV to out‐of‐hospital patients with
suspected opioid overdose would have a more rapid therapeutic onset than naloxone given …

STUDY OBJECTIVE: We compare the predictive accuracy of emergency physicians'
unstructured clinical judgment to the Canadian C-Spine rule. METHODS: This prospective …