Doppler Detection of Silent Venous Gas Emboli in Non-Decompression Diving Involving Safety Stops

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Doppler Detection of Silent Venous Gas Emboli in Non-Decompression Diving Involving Safety Stops

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dc.contributor.author Uguccioni, DM en_US
dc.date.accessioned 2006-08-30T21:33:46Z
dc.date.available 2006-08-30T21:33:46Z
dc.date.issued 1994 en_US
dc.identifier.other MS Thesis en_US
dc.identifier.uri http://archive.rubicon-foundation.org/3430
dc.description MS Thesis en_US
dc.description.abstract Venous gas bubbles in the blood of human divers may be indicative of several incipient diving pathologies, such as decompression sickness and air embolism. the present study compared the presence of venous gas emboli in the bloodstream of human divers detected with an ultrasonic Doppler device. Two dive profiles were conducted for the study, one with direct ascent to the surface and one with a reduced rate of ascent, accomplished by making a safety stop. Doppler monitoring was conducted at 20, 40 and 60 minute intervals post-dive. Dives with safety stops showed significantly fewer venous gas emboli. Other factors, such as, depth and bottom time influenced the efficiency of safety stops. Overall, safety stops are capable of significantly reducing venous gas emboli detected by Doppler in the blood of human divers. Research was conducted in conjunction with the National Undersea Research Center/ University of North Carolina at Wilmington (NURC/UNCW) as an observational study of operational diving. en_US
dc.format.extent 20983193 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.rights Copyright Donna M. Uguccioni en_US
dc.subject doppler en_US
dc.subject bubble en_US
dc.subject safety stop en_US
dc.subject human en_US
dc.subject dive en_US
dc.subject decompression en_US
dc.subject DCS en_US
dc.subject DCI en_US
dc.subject nitrox en_US
dc.subject EAN en_US
dc.subject enriched air nitrox en_US
dc.subject asymptomatic en_US
dc.subject silent en_US
dc.subject VGE en_US
dc.title Doppler Detection of Silent Venous Gas Emboli in Non-Decompression Diving Involving Safety Stops en_US

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