This casebook presents 200 cases in emergency radiology. Exponential advances in high-tech software and hardware, new protocols, and the seamless integration of HIS, RIS, PACS, AI and teleradiology have all placed radiologists at the forefront of critical clinical decision-making team especially in acute and life-threatening Emergencies. Today, the role of radiology and imaging is undeniable, making radiologists indispensable members of the emergency care team, guiding life-saving actions through rapid and accurate imaging interpretation. However, this technological surge presents a new challenge: information overload. Clinicians now face massive volumes of information scattered across subspecialty textbooks, but urgent conditions often lack a single, accessible source. In emergencies, every second counts, and no one has time to sift through encyclopedic pages. This book bridges that gap.

Expert authors present an interactive, case-based visual guide: an Emergency Radiology Spotter designed for quick recall and real-world application. Covering head-to-toe cases promotes instant pattern recognition, logical thinking, and a timely, appropriate imaging strategy. Topics include trauma, vascular events, abdominal crises, acute chest pain, and neurosurgical emergencies, each presented with brevity, clarity, and clinical focus. Each case highlights key imaging signs, concise disease descriptions, and focused differentials with practical clues. The aim is to build the reader’s knee-jerk reflex, the ability to act swiftly and confidently in acute scenarios.

Designed as a high yield interactive learning and revision tool, it suits undergraduates, postgraduates, and practicing clinicians across all clinical specialties and subspecialties involved in managing acute and life-threatening conditions. Authentic real-life cases and a self-evaluation format foster structured observation habits and image-recall skills. Above all, this book celebrates the evolving role of the radiologist: a first responder in the digital age of medicine, empowering every clinician to respond decisively when every second counts.

Z.H. Choudhuri MD, DIS, DUNR, DUMRI, DUEG is a staff neuroradiologist and former chief of Department of Radiology and Medical Imaging at Edmundston Regional Hospital, NB, Canada. He got his Neuroradiology training under mentorship of Prof. Dominique Doyon and Prof. Pierre Lasjaunias at Hôpital Bicêtre, University of Sorbonne, (Paris V). He completed his fellowship in Maxillo-facial Radiology from University of Paris Sud. Previously he served as Senior Consultant at King Fahd Hospital in Medinah, Saudi Arabia. He has extensive teaching experience and has trained many residents both at home and abroad. He is the coauthor of several books focused on different Radiologic subspecialities.

Ammar Haouimi MD, DIS, DURP, DUCT, EDUS is a consultant radiologist at Aurès Imaging center at Batna, Algeria. He got his training from University of Bordeaux II. He was the head of the Department of Radiology and Imaging at Ohud Hospital and Madinah Maternity and Children Hospital (MMCH), Madinah, Saudi Arabia. Currently he is one of the editors of the biggest online open-source teaching radiology website “Radiopaedia.org” where he published more than 2600 cases and contributed to more than 860 articles. He is the coauthor of nine books on different Radiologic subspecialities.

Rukhsana Begum MD, DIS, DUEG is a staff radiologist and former chief of Radiology and Medical Imaging at Edmundston Regional Hospital, NB, Canada. She specialised from University of Sorbonne (Paris V) and worked at Hôpital Bicêtre, Hôpital Avicenne, Necker–Enfants Malades and Hôpital Robert Debré in Paris. She was head of the department of Radiology and Imaging at Maternity and Children Hospital, Madinah, Saudi Arabia. She has extensive teaching experience, particularly in Pediatric Neuroradiology. She is the coauthor of several books focused on different Radiologic subspecialities.

Alexandre Semionov, MD, Ph.D., graduated from and trained at McGill University. He is a staff radiologist subspecializing in pulmonary radiology. He is currently an Associate Professor of Radiology at McGill University Health Center in Montreal, Quebec, Canada.

Zin-Eddine Boudiaf, MD, is a consultant radiologist at Aurès Imaging Center in Batna, Algeria. He graduated from the University of Constantine in Algeria, where he was an Associate Professor. He currently serves as head of the Interventional Radiology Imaging Department. He contributed to several books published by Dr. Ammar Haouimi.

Eugene Yu MD, FRCPC is a neuroradiologist who subspecializes in head and neck imaging at the Princess Margaret Cancer Centre, University Health Network, University of Toronto. He is Professor in the Departments of Medical Imaging and Otolaryngology Head and Neck Surgery. He has published over 100 articles mostly focussed on head and neck radiology in various peer review journals. He is the author and contributor of several books focused on Head-Neck and Cancer imaging. Dr. Yu has served on the executive board of the North American Skull Base Society. He has been an invited visiting professor at different Universities including University of Chicago and Albert Einstein College of Medicine. He served as an Associate Editor of the journal Head & Neck. He is a current reviewer for peer review journals like Radiology, Clinical imaging, JAMA Otolaryngology, Journal of Neurological Surgery – Skull Base and Neuroradiology.