Measurement of Blood Nitrogen Content After Rapid Compressions to Assess theSpeed of Nitrogen Uptake during the Compression Phase of Submarine Escape. (Includes Measurement of Nitrogen Concentration in Blood Following Rapid Compression to 5 bar)

摘要

Nitrogen concentration was measured in arterial blood during 4 minutes at 5 baroverpressure following rapid compression (10 seconds). The conclusions are as followed: The change of nitrogen in the arterial blood, following a 10 second compression to 5 bar overpressure, was rapid and was 95% complete by 7 seconds after reaching the final pressure; There was a range of time constants for the change between subjects but how this relates to blood flow is not known for this report; The uptake in the tissues drained by the venous blood had a time constant of 4.3 minutes.