Studies of Decompression Phenomena.
Final rept. 1 Jan-31 Dec 74,
TARRYTOWN LABS LTD N Y
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The report describes biophysical studies of the etiology of decompression sickness and methods for its early detection. The authors have made an extensive study of bubble detection in the precordial region of human divers by means of the Doppler ultrasound bubble detector. Results indicate that only a fair correlation exists for premonitory detection of decompression sickness if this is the sole monitoring site. Gas uptake and elimination in the skeletal muscle of rabbits for nitrogen and argon was studied. Within the limits of accuracy, no difference between the halftimes for argon or nitrogen could be detected. Elimination was found to be slower than uptake for both gases. These measurements were made simulataneously for both gases by means of in situ probes and a mass spectrometer analyser.
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