nitrogen (countable and uncountable, plural nitrogens) ( 1 uncountable) A chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. ( 2 uncountable) Molecular nitrogen (N2), a colorless, odorless gas at room temperature.
Your primary care doctor may detect a heart murmur or other signs of heart valve disease. However, a cardiologist usually will diagnose the condition. A cardiologist is a doctor who specializes in diagnosing and treating heart problems. To diagnose heart valve disease, your doctor will ask about your signs and symptoms. He or she also will do a physical exam and look at the results from tests and procedures.
Research and innovation. Mayo doctors have been pioneers in many types of heart valve surgery, such as mitral valve repair, aortic valve repair and tricuspid valve repair, for many years. Mayo doctors have continued this tradition of research and innovation in heart valve disease. Doctors have researched innovative types of heart valve repair and replacement.