![]() ![]() When a tracheostomy after laryngectomy, however, the dead space volume is lowered.Īs functional dead space is defined as the sum of the anatomical dead space, and the regions of the lung ( physiological dead space) which is not supplied with blood or are no longer in a position by damage to, the exchange of oxygen in the blood (and vice versa of CO2 in the exhaled air The anatomical dead space can be further increased by the airway is extended by a snorkel or tube, for example. In them remains per breath about 30% (about 0.15 l) of the inspired air. ![]() There are two different types of dead spaces:įor anatomical dead space include the nose or the mouth, the throat, the trachea and the bronchi. Then the inhaled air is heated to a physiological temperature in the dead space at the same time the inspired air was saturated with water, so that a relative humidity of 100% is achieved. The dead space serves some fundamentally important conditioning processes during inspiration (breathing in ). ![]() The dead space is the space of the respiratory system, which is not involved in pulmonary gas exchange, however, the propagation of the inspired gas mixture used. ![]()
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