Summary
Although the arterial blood showed no indication of respiratory or metabolic changes, the mean pH value of the cisternal CSF was found to be 0.021 pH units higher, and the mean \(P_{{\text{CO}}_{\text{2}} }\)2.53 mm Hg lower, than the corresponding values in simultaneously sampled lumbar CSF.
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van Heijst, A.N.P., Maas, A.H.J. & Visser, B.F. Comparison of the acid-base balance in cisternal and lumbar cerebrospinal fluid. Pflügers Archiv 287, 242–246 (1966). https://doi.org/10.1007/BF00362485
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DOI: https://doi.org/10.1007/BF00362485