Cardiology is a specialty of medicine which deals with problems of heart, arteries and veins. Doctors specializing in Cardiology are called Cardiologists and they treat conditions like heart attack, leaky or narrow valves, heart failure and more.

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.

An internist or Internal Medicine doctor is someone who specializes in diagnosing and treating illnesses, diseases, and health problems. Most internists are also primary care doctors and treat patients on a regular basis. They can diagnose and treat common illnesses or more serious problems. Most people see an internist regularly. Those with chronic illnesses may do so on a monthly or even weekly basis. Internists are the most common types of doctors.

Pain management is a wide branch of medical study, and it can include a complete range of different therapies for those suffering from pain. Since pain can come from many parts of the body for different reasons, the solutions will differ greatly. Some doctors will prescribe pain medication to their patients, but in recent years, there has been a push to explore more medication-free pain management options, such as physical therapy, surgery, and even acupuncture and other alternative therapies.