Citation

Radermacher P, Santak B, Muth CM, Wenzel J, Vogt L, Hahn M, Falke KJ. Scand. J. Clin. Lab. Invest. Suppl. 1990; 203: 217-221.

Affiliation

Institut für Anaesthesiologie, Heinrich-Heine-Universität, Düsseldorf, FRG.

Copyright

(Copyright © 1990, Informa - Taylor and Francis Group)

DOI

unavailable

PMID

2089615

Abstract

In five subjects arterial and central venous nitrogen partial pressures (PN2) were measured after decompression from a chamber dive following a decompression schedule for scuba diving. The simulated dives consisted of exposure at rest to air at 6 bar for 30 min. corresponding to a depth of 50 m. Afterwards the subjects were decompressed with decompression stops at 2.5, 2.2, 1.9, 1.6 and 1.3 bar with a total decompression time of 73 min. Immediately after decompression and every 40 min. until the 240th min. arterial and central venous blood samples were analyzed for PN2 using a manometric Van Slyke apparatus. Venous PN2 remained elevated until 160 min. after decompression indicating still incomplete nitrogen wash-out at least two hours after decompression had been accomplished. Bubble formation is discussed as a cause for prolonged nitrogen elimination. Our data confirm that nitrogen elimination is prolonged after decompression from simulated dives at rest.

Language: en