![]() ( physiology ) The sum of the anatomic plus the alveolar dead spaces.Because this is a functional measurement, the volume is called the physiologic dead space. Lippincott Williams & Wilkins Ninth edition.īohr's method measures the volume of the lung which does not eliminate CO 2. West, Respiratory Physiology: The Essentials. ( physiology ) That volume of air in the lung that does not eliminate carbon dioxide, as defined functionally by the Bohr equation.( physiology ) That volume of air in the lung which does not partake in gas exchange.Throughout this paper, the term physiological dead space will be used to refer to the volume of the conducting airway down to the location at which a large change in gas composition occurs. This definition became inadequate once the alveolar dead space was described. ( obsolete ) The volume of the conducting airways of the lung.Some apparatus dead space may actually reduce total dead space, as an ETT bypasses the majority of anatomical dead space of the patient (nasopharynx).ĭead space from the patient.Physiologic dead space ( countable and uncountable, plural physiologic dead spaces) Types of Dead Spaceĭead space from equipment, such as tubes ventilator circuitry. ![]() Glomerular Filtration and Tubular Functionĭead space is the proportion of minute ventilation which does not participate in gas exchange. Functional Anatomy and Control of Blood Flow
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