Book excerpt: This issue of Neuroimaging Clinics of North America focuses on Emergent Neuroimaging: A Patient Focused Approach, and is edited by Dr. Diego B. Nunez. Articles will include: The adult patient with acute neurologic deficit: an update on imaging trends; The patient with thunderclap headache; Imaging considerations in the patient with intracerebral hemorrhage; Emergent neuroimaging in the oncologic and immunosuppressed patient; Emergent neuroimaging during pregnancy and puerperium; Imaging the unconscious “found down patient in the ED; Neurological emergencies in the pediatric patient including accidental and non-accidental trauma; Head and neck injuries: special considerations in the elderly patient; Current challenges in the use of CT and MRI in suspected cervical spine trauma; Radiation considerations in emergent neuroimaging; Blunt cranio-cervical trauma: Does the patient have a cerebral vascular injury?; New and emerging patient-centered CT imaging and image-guided treatment paradigms for maxillofacial trauma; Acute neurological syndromes beyond stroke: The role of emergent MRI; and more!