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.

Hand surgery is a field that helps patients with a variety of health issues involving the hands. This can include both surgical and non-surgical care. These doctors treat conditions that present not only in the hands but also the arms. These conditions may include infections, abrasions, injuries, and arthritis. Surgeons trained in orthopedic surgery, general surgery, and even plastic surgery are all qualified to perform surgeries on the hands or provide other treatment for this area.