This handbook focuses on pulmonary and critical care medicine. The specialty of Pulmonary and Critical Care Medicine has quickly grown in size and expanded in scope in a short span of time. Pulmonary critical care and invasive interventions have also become essential in pulmonary practice. This book consists of 101 chapters, which include applied respiratory physics, pulmonary function tests, tuberculosis, extrapulmonary tuberculosis, multidrug resistant tuberculosis, human immunodeficiency virus infection, nontuberculous mycobacterial diseases, community-acquired pneumonia, pulmonary fungal infections, nosocomial pneumonia, lung abscess, bronchial asthma epidemiology, airway inflammation and remodeling, acute asthma exacerbations, pharmacotherapy of bronchial asthma, risk factors for chronic obstructive pulmonary disease, pulmonary rehabilitation, bullous lung diseases, sarcoidosis, pulmonary eosinophilic disorders, lung disease in coal workers, solitary pulmonary nodule, pulmonary vascular malformations, acute respiratory distress syndrome etc. The students and medical practitioners including the pulmonary physicians will find it easy to carry as a 'vade mecum'—it should serve as a pocket-reference in their day-to-day practice.