It is a branch of medicine that focuses on the knowledge and abilities needed for diagnosing, preventing and treating injuries and illnesses in the acute phase. It also provides care for undifferentiated and unscheduled patients of all ages. Evidence-based emergency medicine is primarily focused on case reports of emergency care provided at trauma centers, on the basis of diagnostic and treatment reports of the patients. Critical care medicine, palliative care, disaster medicine, aerospace medicine, medical toxicology, sports medicine, emergency medical services, point-of-care ultrasonography and hyperbaric medicine are some subspecialties of emergency medicine.This book covers in detail some existent innovative concepts revolving around emergency medicine. The topics included in it on critical care and emergency medicine, are of utmost significance and bound to provide incredible insights to readers. Those with an interest in this field would find this book helpful.