CO2 retention in lung disease; could there be a pre-existing difference in respiratory physiology.


Some patients with lung disease retain CO(2), while others with similar lung function do not. This could be explained if CO(2) retainers had a pre-existing low hypercapnic ventilatory response (HCVR) and, from this, a tendency to retain CO(2). To test if such a phenomenon exists in healthy people, we determined the change in end-tidal P(CO(2)) (deltaPET(CO… (More)


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