Blood from shunt regions will have a P ecCO 2 equal to the mixed venous value, which raises P aCO 2 and thereby the calculated wasted ventilation this has been coined shunt dead space 21. Classification The nomenclature describing dead space can be quite confusing (see 1 for in-depth reading).
3.3 What is dead space and what types of dead. This version is distributed under the terms of the Creative Commons Attribution Non-Commercial Licence 4.0. In addition to anatomical dead space, wasted ventilation also results from any apparatus, alveolar dead space and high V A /Q units. Typical clinical conditions that lead to shunting of blood are atelectasis, pneumonia, and pulmonary oedema. Reply to: Intrapulmonary Shunt and Alveolar Dead Space in a Cohort of Patients with Acute COVID-19 Pneumonitis and Early RecoveryĪn open access version is available from UCL DiscoveryĬopyright © The authors 2023.
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