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.
Many people diagnosed with lung cancer will also see a pulmonologist, and itâs not uncommon for lung cancer to be diagnosed by these specialists. A pulmonologist is a lung specialist who treats lung diseases including lung cancer. Since lung diseases such as COPD often exist along with lung cancer, and because lung cancer surgery can reduce lung function, a lung specialist is often included as part of your lung cancer team.