Pulmonary medicine is the speciality of medicine that is concerned with the diseases related to the respiratory tract. It is a branch of internal medicine which deals with patients that need life support and mechanical ventilation. Pulmonary medicine helps in the treatment of diseases such as asthma, chronic obstructive pulmonary disease, bacterial pneumonia, tuberculosis, emphysema, etc. The clinical procedures to detect such diseases include laboratory investigation of blood, spirometry, pulmonary function tests, bronchoscopy, CT scanning, etc. Bronchodilators, steroids, antibiotics, leukotriene antagonists are some of the medicines used in treating respiratory diseases. These medicines are either inhaled or taken in oral form. In severe cases, the patient is given mechanical ventilation. This book unravels the recent studies in the field of pulmonary medicine. It strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances within this field. This book is a vital tool for all researching and studying pulmonology.