Anatomic Dead Space Affects Hypoventilation.To read an article on how anatomic dead space affects ventilation see: A third of the normal tidal volume is anatomic dead space, with a volume of about 2ml/kg in an adult and up to 3ml/kg in a baby. The lungs cannot absorb oxygen or eliminate carbon dioxide in anatomic dead space. These fixed parts of the respiratory tract are ventilated but not perfused. Anatomic Dead SpaceĪnatomic dead space does not have alveoli, such as the trachea, bronchi, and bronchioles. The 3 different types of dead space consist of anatomic, physiologic, and last, but not least, equipment. Ignoring equipment dead space can lead to significant hypoventilation. We often forget equipment dead space, the dead space belongs to any airway equipment used to assist ventilation. We often worry about anatomic and physiologic dead space. Dead space is the portion of the respiratory system where tidal volume doesn’t participate in gas exchange.
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