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.
For more complicated cases of lupus, a rheumatologist is usually the primary doctor. Other specialists are consulted as needed. For mental health problems such as depression, anxiety, psychosis, or other behavioral changes, see your family medical doctor or internist, or a psychiatrist. For the treatment of organ problems, a doctor who specializes in diseases of that particular organ system may work together with a rheumatologist or immunologist.