A radiologist is a medical professional who has been trained to diagnose injuries and diseases with the use of x-rays. Radiologists can diagnose a variety of different diseases and injuries. They can also determine the severity of the problem through imaging scans.

Emergency medicine is a subspecialty that focuses on patients who need immediate and often intensive care. These physicians must be able to handle medical problems quickly to avoid potential complications with their patients. With their knowledge of emergency medicine comes knowledge about many other types of medicine, as they must be able to respond to patients who present a variety of symptoms and problems. They will also have a thorough understanding of emergency medical devices.