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Acoustic telemetry from human divers
human telemetry monitoring cardiac respiratory
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2009/7/20
Acoustic telemetry from human divers.
Function of the eustachian tubes in divers with a history of alternobaric vertigo
human Eustachian Tube alternobaric vertigo
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2009/7/20
Function of the eustachian tubes in divers with a history of alternobaric vertigo.
An audiometric survey of Navy divers
human ear hearing divers
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2009/7/20
The pure tone audiograms of a diverse group of U.S. Navy divers were examined across four major variables: (1) number of years of Navy diving experience, (2) previous noise exposure history, (3) previ...
Histopathology of the early stage of osteonecrosis in divers
decompression sickness human osteonecrosis
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2009/7/20
Histopathology of the early stage of osteonecrosis in divers.
Voice fundamental frequency levels of divers in helium-oxygen speaking environments
human heliox speaking Voice speech intelligibility
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2009/7/20
Divers under hyperbaric conditions experience a marked deterioration in speech intelligibility. Included among the possible features that contribute to speech degradation is change/distrotion of speak...
Visual evoked responses and EEG's of 16 divers breathing air at 7 ATA
human electrophysiological
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2009/7/20
This study is an assessment of individual differences in electrophysiological response under diving conditions normally conducive to nitrogen narcosis. A group of 16 men made two dives each to approxi...
Dyspnea in divers at 49.5 ATA: mechanical,not chemical in origin
CO2 carbon dioxide human Dyspnea exercise respiratory
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2009/7/20
Pulmonary function was studied in six divers living in a hyperbaric chamber at a pressure nearly fifty times normal (49.5 atmospheres absolute (ATA), equivalent to 488 m or 1600 ft seawater (fsw)). As...
Aseptic bone necrosis among U.S. Navy divers:survey of 934 nonrandomly selected personnel
Divers human Aseptic bone necrosis DCS
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2009/7/20
Nine hundred thirty-four U.S. Navy divers were selected and surveyed radiographically using standard techniques developed for detecting aseptic bone necrosis (ABN). X rays were read by qualified radio...
Thermal measurements on divers in hyperbaric helium-oxygen environments
cold human Thermal measurement heliox
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2009/7/17
During a series of three saturation dives to simulated depths of 1000, 1200, and 1400 fsw at the Ocean Simulation Facility, measurements were made to establish the rate of heat loss of unclad divers i...
Correlation between decompression sickness and circulating bubbles in 232 divers
decompression sickness human bubbles
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2009/7/17
Doppler monitoring examinations were carried out during 67 simulated helium-oxygen dives in the pressure chambers of the Centre d'Etudes Hyperbares (CEH) COMEX Marseille, and involved a total of 232 C...
Effects of aspirin and dipyridamole on platelet function,hematology,and blood chemistry of saturation divers
decompression human drug aspirin platelet saturation
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2009/7/17
Twenty-four young male divers were assigned randomly to 4 treatment groups: Group I received aspirin (325 mg) three times daily; II received dipyridamole (75 mg) three times daily; III received both d...
Prolonged oxygen exposures in immersed exercising divers at 25 fsw (1.76 ATA)
oxygen carbon dioxide human toxicity immersion human
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2009/7/17
Twenty-four oxygen exposures lasting 80 to 271 min were performed by six immersed exercising subjects at 25 fsw (1.76 ATA) in both warm and cold water. Two types of exercise were performed, moderate w...
Alveolar Pco2 during rest and exercise in divers and non-divers breathing O2 at 1 ATA
human divers CO2 hypercapnia
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2009/7/17
The extent of hypercapnia in oxygen-breathing subjects was investigated during rest and exercise (650 kpm/min). Divers, ex-divers, and non-divers were studied. Carbon dioxide retention was judged by e...
Ventilatory and occlusion-pressure responses to hypercapnia in divers and non-divers
pulmonary human divers non-divers
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2009/7/16
Ventilatory (VE/PCO2) and occlusion-pressure (P0.1/PCO2) responses to progressive hypercapnia (rebreathing method of Read (1)) were estimated in 20 normal subjects and 22 scuba divers. Indexes of CO2 ...
Environmental and body temperatures of 52 divers in hyperbaric heliox
human temperature Circadian Rhythm heliox Atmospheric Environment
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2009/7/16
Rectal and skin temperatures were recorded over periods as long as 24 h on 52 divers at depths as great as 300 m. Chamber temperature and body temperatures are correlated with depth, and the correlati...