A pulmonologist is a physician that specializes in the diagnosis by performing the arterial blood gas test to assess the organ functions of the patients and treatment for illnesses of the respiratory system like asthma, pulmonary hypertension, chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, which affects the lungs and other organs that aid in breathing.
You may be able to obtain all of the treatment you need from your normal doctor for certain relatively short-term diseases that damage your lungs, such as the flu or pneumonia. However, if your cough, shortness of breath, or other symptoms persist, you should consult a pulmonologist. Even for cancers like the lung cancer, pulmonologists are looking forward to the new lung cancer treatment that is a effective way of curing cancer.
India has some of the best pulmonologists in Bangalore have given very good results in the treatment. Most pulmonologists will first recommend you a bronchoscopy or a PFT Test.