搜索结果: 1-15 共查到“军事医学与特种医学 RATE”相关记录16条 . 查询时间(0.14 秒)
Effects of helium gas on heart rate and oxygen consumption in unanesthetized rats
drug helium diving physiology animal rat
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2009/7/20
Effects of helium gas on heart rate and oxygen consumption in unanesthetized rats.
Heart rate and respiratory frequency in hydrostatically compressed,liquid-breathing mice
decompression liquid breathing
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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...
Effect of compression rate on HPNS convulsion threshold in the euthermic rat
high pressure nervous syndrome compression rate animal rat
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2009/7/20
The modification of the development of the high pressure nervous syndrome (HPNS) has been demonstrated by varying the external environment (chamber temperature, compression rate) or the internal envir...
Combined effects of ethanol and hyperbaric air on body sway and heart rate in man
human ethanol drinking narcosis
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2009/7/17
Eight amateur divers took part in crossover experiments to study the combined effects of ethanol (0.72 g/kg b.wt.) and hyperbaric air (4 and 6 ATA) on heart rate and body-sway movements. Body sway wit...
Rate of pressure change and hyperbaric bradycardia in the mouse sinus node
cardiac animal mice sinus node
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2009/7/17
Sinus node preparations from mice were hydraulically compressed at 10, 100, and 500 atm x min-1 in Tyrode's solution at 27 degrees C. At the highest compression rate, both a delay and a more pronounce...
Effect of compression rate on use of trimix to ameliorate HPNS in man to 686 m (2250 ft)
decompression human compression rate trimix high pressure neurologic syndrome heliox Psychological Psychomotor Performance
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2009/7/16
Previous man dives, in a series designed to evaluate the physiological effects of helium, nitrogen, and oxygen (trimix), investigated the comparative effects of 5 percent vs. 10 percent nitrogen with ...
Combined effect of beating rate and hydrostatic pressure on excitation in cardiac muscle
cardiac heart rate hydrostatic animal dog
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2009/7/16
Canine cardiac Purkinje fibers stimulated at frequencies from 1-4 Hz were exposed to hydrostatic pressures of 1 and 150 ATA. Both increases in stimulation frequency and pressure slowed conduction and ...
Estimation of oxygen uptake from heart rate response to undersea work
human Oxygen Consumption cardiac undersea work exercise ergometer human
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2009/7/15
The efficacy of using a diver's heart rate (HR) response to work performed formed in the open sea to estimate the oxygen uptake (VO2) and work stress by general and depth-specific regression equations...
Cardiac arrhythmias and heart rate changes in prolonged hyperbaric air exposures
human Cardiac arrhythmia heart rate exercise air
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2009/7/15
Daily resting and exercise electrocardiograms from 81 healthy subjects taking part in eight different air saturation chamber experiments at depths of 2-132 ft sea water gauge (fswg) were recorded and ...
Tissue distribution of penicillin during constant rate infusion in rats at 71 ATA
drug penicillin animal rat
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2009/7/15
Benzyl[14C]penicillin was infused at a constant rate of 100 mg X kg-1 X h-1 for 90 min in rats at 1 ATA air for the control group (n = 10) and at 71 ATA He-O2 for the pressure group (n = 11). The radi...
Relationship between physique and rectal temperature cooling rate
temperature cooling anthropometric immersion human
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2009/7/8
Despite many attempts to relate components of physique to core temperature cooling rate, no consistent relationship has emerged. The inconsistencies among the reported findings may arise from unaccoun...
Ascent rate, post-dive exercise, and decompression sickness in the rat
decompression exercise Ascent rate animal rat
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2009/6/9
The effects of ascent rate and post-dive exercise on the incidence of decompression sickness (DCS) were investigated in six groups of 20 rats exposed for 2 h at a pressure equivalent to 240 feet of se...
Adjuvant hyperbaric oxygen therapy (HBO2)for treatment of necrotizing fasciitis reduces mortality and amputation rate
Debridement Fasciitis Necrotizing microbiology mortality therapy yperbaric Oxygenation adverse effects methods human Retrospective Studies
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2009/6/2
OBJECTIVE: A retrospective analysis of 42 patients with necrotizing soft tissue infections treated with adjunctive HBO2 to ascertain efficacy and safety. Overall mortality was 11.9% and morbidity 5%. ...
The effect of endurance training on the rate of nitrogen elimination in women
DIVERS nitrogen elimination aerobic capacity Decompression Sickness chronic training nitrogen oxygen interval training heart rate exercise
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2009/6/2
INTRODUCTION: The rate of nitrogen elimination may be an important factor in evaluating the risk of DCS following dives. The present study determined the reproducibility of a method for evaluating nit...
The heart rate of breath-hold divers during static apnea:effects of competitive stress
breath-hold apnea PERFORMANCE(HUMAN) Immersion physiopathology Immersion facial immersion heart rate
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2009/6/2
Breath-hold divers compete with regard to depth, time and/or distance. The present observations were carried out on athletes performing static apnea where they perform one breath-hold for as long a du...