Abstract
Oxygen is transported from the atmosphere to the cells by a multistep process involving the coordinated functioning of the respiratory and cardiovascular systems. The individual steps include alveolar ventilation, diffusion from air to blood, binding to hemoglobin, convective transport to the tissues, dissociation from hemoglobin in the systemic microvasculature, and finally diffusion from blood to the mitochondria. The sequential, interactive nature of oxygen transport carries the risk that an impaired ability of any given transport step to deliver oxygen to the next could ultimately result in tissue hypoxia. This chapter discusses how oxygen transport is both increased in response to increased oxygen demand and maintained in the face of limitations produced by disease.
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Maron, M.B. (2016). Oxygen Transport. In: O'Donnell, J., Nácul, F. (eds) Surgical Intensive Care Medicine. Springer, Cham. https://doi.org/10.1007/978-3-319-19668-8_7
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DOI: https://doi.org/10.1007/978-3-319-19668-8_7
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