Table of Contents Introduction by Erik Su, MD, FAAP, FASE Cancer Risk Associated With Radiation Doses Used for CT Scans in Pediatric and General Hospitals Interventions to Reduce Imaging in Children With Minor Traumatic Head Injury: A Systematic Review Reducing Computed Tomography in Pediatric Cervical Spine Clearance: A Quality Improvement Study Ionizing Radiation Exposure Inequities in the Diagnostic Imaging of Children With Complex Chronic Conditions Improving Timely Diagnosis of Arterial Ischemic Stroke at a Pediatric Emergency Department Synthetic CT Assessment of Lesions in Children With Rare Musculoskeletal Diseases Moving Beyond the Stethoscope: Diagnostic Point-of-Care Ultrasound in Pediatric Practice Neonatal Ultrasound and Radiographic Markers of Hip Dysplasia in Young Adults Lung Ultrasound Score Progress in Neonatal Respiratory Distress Syndrome State-of-the-Art Renal Imaging in Children Risk of Subsequent Pneumonia After a Negative Chest Radiograph in the ED Targeted Neonatal Echocardiography in Patients With Hemodynamic Instability A Family and Hospital's Journey and Commitment to Improving Diagnostic Safety.