Tag Andrew Lumb MB BS FRCA

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This book contains many examples of mathematical statements which relate respiratory variables under specified conditions. Appendix E is intended to refresh the memory of those readers whose knowledge of mathematics has been attenuated under the relentless pressure of new information…

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International system of units A clean transition from the old to the new metric units failed to occur. The old system was based on the centimetre-gram-second (CGS), and was supplemented with many noncoherent derived units such as the millimetre of…

Key points That breathing was essential for life was clear to the ancient Egyptian civilizations 5000 years ago, but the reasons for this were unknown. Early explanations for the function of breathing involved the air drawn into the lungs fuelling…

Key points Surgical resection of lung tissue via thoracotomy is a routine procedure, used mostly for treating lung cancer, which requires careful assessment of the patient’s physiological reserve. Less invasive surgical techniques such as video-assisted thoracic surgery are increasing rapidly…

Key points Noninvasive ventilation may be used to increase airway pressure and support a failing respiratory system without the need for tracheal intubation or tracheostomy. Intermittent positive pressure ventilation can be delivered by a variety of different techniques, many of…

Key points Acute lung injury is lung inflammation that develops in response to a variety of both pulmonary and generalized acute diseases. The clinical features of acute lung injury vary from mild, self-limiting dyspnoea to rapidly progressive and fatal respiratory…