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.
Pulmonologist. A pulmonologist is a doctor who specializes in treating diseases of the lungs, such as lung cancer, COPD, and tuberculosis. With cancer, a pulmonologist aids in diagnosis and treatment.They are also called pulmonary specialists.any types of doctors are involved in diagnosing and treating lung cancer. Your primary care doctor may refer you to various specialists whose titles may be unfamiliar to you. Here are a few types of specialists you may meet and the roles they play in lung cancer diagnosis and treatment.