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.

Psychiatrists are doctors who specialize in treating mental, addictive, and emotional disorders. They order diagnostic tests, prescribe medications, and use psychotherapy to help patients and their family members deal with these disorders and diseases. They often work with other doctors and specialists to help come up with the best treatment option for their patients.