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Changes in hemostatic parameters in fish following rapid decompression
parameters rapid decompression salmon
2009/7/20
The effect of rapid decompression on the stress-accelerated blood coagulation system of male and fingerling coho salmon (Oncorhynchus kisutch) was examined after simulated 100- and 200-fsw dives. Bloo...
Disorientation and vertigo, which develops in divers during descent, is objectively demonstrated with dysbaric electronystagmographic tracings. Middle ear barotrauma of descent is verified as a valid ...
The effect of ambient pressure on inert gas elimination during decompression was investigated using human subjects breathing air in a dry hyperbaric chamber. This was done by measuring nitrogen recove...
Measurement of helium elimination from man during decompression breathing air or oxygen
human helium elimination decompression
2009/7/20
Air breathing was compared with oxygen breathing during decompression from an 80-20 percent helium-oxygen dive to a depth equivalent to 120 fsw (4.6 ATA) in a dry chamber to see which was the most eff...
Hematology and blood chemistry in saturation diving:II.Open-sea vs.hyperbaric chamber
decompression human platelet function saturation diving blood chemistry Hematology
2009/7/20
Hematograms, platelet function, and blood-enzyme chemistry were compared in two similar saturation-excursion dives, one conducted in a hyperbaric chamber and the other in the open sea. The chamber div...
Hematology and blood chemistry in saturation diving:I.Antiplatelet drugs,aspirin,and VK744
chemistry Hematology blood
2009/7/20
Blood chemistry and cellular parameters were studied before, during, and after saturation (2.4 ATA) dives in the HYDRO-LAB habitat on two separate occasions. In both, platelet count fell greater than ...
A theoretical method is derived for computation of the interactin of pressure and a weak anesthetic such as nitrogen or other narcotic gases in a two-dimensional material so as to prevent signs and sy...
Brain stimulation in rats exposed to hyperbaric environments
hyperbaric environments Brain pressures
2009/7/20
Six rats were trained to make an operant response to receive brief trains of electrical current to the lateral hypothalamus (self-stimulation). All animals were then randomly exposed to pressures of 4...
The effects of body position and a vasodilator on xenon133 elimination from human subcutaneous fat
decompression Xenon human Adipose Tissue subcutaneous fat inert gas elimination vasodilator drug body position
2009/7/20
The elimination of Xe133 from a deposit in the subcutaneous adipose tissue adjacent to the anterior tibial muscle was recorded by an external scintillation detector in 16 human subjects in sitting and...
Decompression sickness during saturation dives
saturation decompression neurological chamber
2009/7/20
Available Navy saturation diving data were analyzed for an evaluation of the therapeutic adequacy of decompression sickness treatment procedures and for delineation of precipitant factors in the etiol...
Decompression-induced bubble formation in salmonids:comparison to gas bubble disease
decompression bubble salmonids
2009/7/20
The relationship of gas bubble disease (GBD) in fish to decompression-induced bubble formation was investigated with salmonids. Acute bioassays were used to determine equilibration times for critical ...
Left-ventricular performance in man during breath-holding and simulated diving
cardiovascular human breath holding
2009/7/20
We measured left-ventricular (LV) systolic time intervals (STI) to determine whether breath-holding and simulated diving evoke a depression of LV performance in man similar to that previously demonstr...
Heart rate and respiratory frequency in hydrostatically compressed,liquid-breathing mice
decompression liquid breathing
2009/7/20
The effects of hydraulic compression on heart rate and respiratory frequency were studied in liquid-breathing, hypothermic (17-31 degrees C) mice. Increasing the hydrostatic pressure caused a bradycar...
Automatic compensation by capillary gauge for altitude decompression
decompression altitude
2009/7/20
According to simple theory, the indications of a capillary depth gauge are such that ascent rate and decompression-stop position are correct to give unaltered gammas (tissue overpressures) and a safe ...
Assessment of vertical excursions and open-sea psychological performance at depths to 250 fsw
decompression nitrogen narcosis
2009/7/20
A series of 10 two-man descending vertical excursion dives was carried out in the open sea from an ocean-floor habitat off the coast of Puerto Rico by four aquanauts saturated on a normoxic-nitrogen b...