Lung function tests are a vital tool in the clinical evaluation of patients admitted to the respiratory unit. Their use requires rigorous application of theoretical and practical knowledge, to know which tests to apply, how to interpret the results, and how to recognise the limitations of the models and assessments used. This book gives a coherent and detailed guide to the reporting of lung function tests. Beginning with an introduction to the range of tests available, it then offers clear explanation of the physiological and mechanical concepts which form the basis of the tests and their interpretation. The remainder of the book then describes the application of tests in the clinical situation, in the investigation of lung disease and its progression. This book is a clear and comprehensive guide to lung function testing and will be invaluable to clinicians entering the field of respiratory medicine and to all scientific staff working in a respiratory function laboratory or respiratory department.