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July 9, 2026Respiratory Care

CO ₂ in ARDS: Pragmatic PaCO2–pH Exposure Patterns and Bedside Monitoring Indices

Bo Liu Y D Tang Aijia Ma Huaiyu Xiong Bo Wang Jie Yang Yan Kang

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Key Points

To analyze the implications of PaCO2 and pH patterns in ARDS and propose new bedside monitoring indices.
Narrative review summarizing PaCO2-pH ranges across ARDS severity strata.
Proposal of a traffic-light framework for individualized decision-making.
Review of capnography-derived indices and their potential bedside applications.
Elevated PaCO2 in ARDS reflects either reduced alveolar ventilation or increased physiologic dead space.
Capnography indices provide additional insights for monitoring CO2 levels, contributing to clinical decision-making.

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Implication

Narrative review discusses CO2 exposure in ARDS, proposing a framework for individualized decision-making.

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Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/6a51e168c18d7f28ca5010c4 https://doi.org/10.1177/19433654261454979

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