Cardiology is the subspecialty of internal medicine concerned with the functioning of the heart, blood vessels and circulation of blood throughout the body. It may also encompass evaluation of the lungs. Cardiologists must first complete seven or more years of medical school and postgraduate training and become board certified in Internal Medicine. ...

Gastroenterology is the subspecialty of internal medicine concerned with disorders and conditions of the gastrointestinal ("GI") tract, also called the digestive tract. More specifically, gastroenterologists are concerned with the esophagus, stomach, small and large intestines (colon), pancreas and liver. Gastroenterologists must first complete seven o...

Doctors of internal medicine focus on adult medicine and have had special study and training focusing on the prevention and treatment of adult diseases. At least three of their seven or more years of medical school and postgraduate training are dedicated to learning how to prevent, diagnose, and treat diseases that affect adults. Internists are sometimes referred t...

Neurology is a medical specialty dealing with disorders of the nervous system. Specifically, it deals with the diagnosis and treatment of all categories of disease involving the central, peripheral, and autonomic nervous systems, including their coverings, blood vessels, and all effecter tissue, such as muscle. The corresponding surgical specialty is neurosurgery...

Medical oncology is the subspecialty of internal medicine that focuses on treating cancer. There are two other types of clinical oncologists - surgical oncologists and radiation oncologists. In most cases, when a person is diagnosed with cancer, one of these oncologists takes charge of the patient's overall care through all phases of the disease. ...

Pulmonology is the subspecialty of internal medicine concerned with diseases of the lungs and bronchial tubes, which often involves evaluation of the upper respiratory tract (nose, pharynx and throat) as well as the heart. Pulmonologists must first complete seven or more years of medical school and postgraduate training and become board certified in...