Principles of Evidence-Based Imaging for Adults and Children.- Critically Assessing the Literature for Evidence-Based Imaging: Understanding Error and Bias.- Information Systems in Emergency Department Diagnostic Imaging.- The Consequences of Inappropriate Use of Emergency Imaging.- Acute Traumatic Brain Injury in Adults: Evidence-Based Emergency Imaging.- Pediatric Accidental Traumatic Brain Injury (TBI): Evidence-Based Emergency Imaging.- Traumatic Extracranial Vascular Injury in Adults: Evidence-Based Emergency Imaging.- Hyperacute Ischemic Stroke in Adults: Evidence-Based Emergency Imaging.- Acute Headache Disorders in Adults and Children: Evidence-Based Emergency.- Seizures in Adults and Children: Evidence-Based Emergency Imaging.- Acute Spine Trauma in Adults and Children: Evidence-Based Emergency Imaging.- Acute Back Pain in Adults and Children: Evidence-Based Emergency Imaging.- Acute Sinusitis in Adults and Children: Evidence-Based Emergency Imaging.- Acute Aortic Syndrome in Adults: Evidence-Based Emergency Imaging.- Acute Pulmonary Embolism in Adults and Children: Evidence-Based Emergency Imaging, Evaluation, and Diagnosis.- Blunt Injuries to the Thorax and Abdomen in Adults: Evidence-Based Emergency Imaging.- Appendicitis in Adults and Children: Evidence-Based Emergency Imaging.- Evidence-Based Emergency Imaging for Non-Appendiceal Acute Abdominal Pain in Adults: Pancreatitis and Diverticuliti.- Small and Large Bowel Obstruction in Adults: Evidence-Based Emergency Imaging.- Acute Pelvic Pain in Pre-Menopausal Infants and Children: Evidence-Based Emergency Imaging.- The Acute Scrotum in Adults and Children: Evidence-Based Emergency Imaging.- Upper Extremity Injuries in Adults and Children: Evidence-Based Emergency Imaging.- Pelvic Fractures in Adults: Evidence-Based Emergency Imaging.- Lower Extremity Injuries in Adultsand Children: Evidence-Based Emergency Imaging.- Evidence-Based Emergency Imaging for Acute.- Evidence-Based Emergency Neuroimaging in Children and Adults with Sickle Cell Disease and Symptoms of Stroke.- Non-Accidental Injury in Infants and Children: Evidence-Based Emergency Imaging.- Hypertrophic Pyloric Stenosis (IHPS) in Infants and Children: Evidence-Based Emergency Imaging.- Intussusception in Infants and Children: Diagnostic Evidence-Based Emergency Imaging and Treatment.- Clinically Suspected Malrotation in Infants and Children: Evidence-Based Emergency Imaging.- Non-Traumatic Hip Pain in Infants and Children: Evidence-Based Emergency Imaging.- Foreign Body Aspiration in Children: Evidence-Based Emergency Imaging.- Acute Urinary Tract Infection in Infants and Children: Evidence-Based Emergency Imaging.