The pulmonologist is the specialist doctor who deals with pulmonary diseases and the respiratory system (trachea, lungs, bronchi, diaphragm, pleura, etc.). , pain in the chest or in case of persistent cough. The pulmonologist treats a variety of diseases, from asthma to cancer, including cystic fibrosis, pulmonary embolism and chronic bronchitis, not to mention tuberculosis, pneumonia or disorders related to tobacco consumption. ” a consultation, the pulmonologist can carry out pulmonary or respiratory examinations: chest x-ray, provocation test for asthma, cardio-respiratory stress test, search for allergies by skin tests, spirometry , etc. He may also request a chest CT scan, scintigraphy  to complete the search for respiratory pathologies. In some cases, he will perform very specific technical or even surgical procedures such as pleural puncture to explore an effusion  fluid from the pleura (pleurisy), tracheal intubation, rigid bronchoscopy  for removal of foreign bodies, installation of chest drains to evacuate gas (pneumothorax), etc. . Certain respiratory pathologies (for example, sleep apnea) will require the installation of ventilation by machines which will be installed and then balanced by the pulmonologist. state of health of his patients, establish the diagnosis and prescribe the appropriate drugs and treatments. He directs his patients in surgery when their condition requires it and ensures follow-up with them until their recovery.If pulmonology requires the mastery of many technical gestures, we must not neglect the great human qualities required for monitoring of patients with pulmonary pathologies.