DOPPLER ULTRASONIC DETECTION OF INTRAVASCULAR BUBBLES DURING DECOMPRESSION FROM THE 1985 CAN/UK SATURATION DIVES TO 100 AND 360 MSW

Authors
  1. Eatock, B.C.
  2. Nishi, R.Y.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
Four Royal Navy divers were monitored using Doppler ultrasound for intravascular bubbles during decompression from two saturation dives done at the Dive Research Facility at DCIEM. The depths of the dives were 100 msw and 360 msw, and the breathing gas was oxy-helium. The object of the monitoring was to provide diagnostic information to the diving medical officers responsible for the divers' welfare, and to collect information on the safety of the decompression profiles. The divers were monitored twice daily throughout the decompressions. In the first dive, no bubbles were detected at any time. In the second dive, bubbles were detected in all subjects around the depth of 100 msw, before a scheduled reduction in ascent rate from 1.5 msw per hour to 1.0 msw per hour. In two of the subjects, the bubbles were numerous. Throughout most of the rest of the decompression, few bubbles were detected.
Report Number
DCIEM-86-R-10 —
Date of publication
15 Feb 1986
Number of Pages
21
DSTKIM No
86-01432
CANDIS No
96176
Format(s):
Hardcopy;Originator's fiche received by DSIS

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