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Functional responses of diaphragm muscle in the rat to varying PCO2 levels and helium content in hyperbaric atmospheres.
A study was conducted on the changes in platelet function and platelet count in the Sprague-Dawley rat induced by a bends-producing N2-O2 compression-decompression cycle. In those instances where mild...
An anesthetized rat preparation has been used for breathing studies in hyperbaric Ar-O2-CO2 atmospheres in which total saturation pressure was varied in the range 1-19.1 ATA and PCO2 was set at levels...
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...
This study involved 720 exposures of 70 kangaroo rats trapped in West Texas and showed that decompression-induced tail biting in this animal provides a good animal model for marginal limb bends in man...
Cardiac output (CO) and blood flow to major organs were investigated in pentobarbital-anesthetized rats using 85Sr- and 141Ce-labeled microspheres (MS) (15 +/- 1 microns (SD)) injected into the left v...
Sprague-Dawley rats were exposed to air at 6 ATA. The decompression time was varied from 30 s to 6 h, resulting in a total pressure time interval from 0--24 h. The amount of rat femoral cartilage prot...
The effects of high hydrostatic pressure on the spontaneous contractile activity of isolated rat portal veins were studied. During compression, an increase of activity was seen, whereas stable elevate...
The ultrastructure of the blood-bubble interface has been studied in rats decompressed experimentally. Subsequent to staining with ruthenium red there was detected by electron microscopy a continuous ...
Muscle preparations from rat atria were hydraulically compressed in circulating Tris-buffered solution kept at 37 degrees C. Spontaneously beating preparations decreased their beating frequency with 3...
Electrocardiogram (ECG), electrocorticogram (ECoG), and respiratory rate (RR) were monitored in awake, unrestrained rats during continuous exposure to 1, 3, and 5 ATA O2 until death. The RR showed a c...
The pharmacokinetics of [14C]antipyrine, [3H]paracetamol, and [3H]morphine were studied in male Wistar rats at 1 ATA and then at 71 ATA, each animal being its own control. Separate control groups were...
In 22 adult male albino rats (means = 565 g) it was consistently observed that the time required to anesthetize them with 5 ml of diethyl ether after a hyperbaric exposure of 6 ATA using compressed ai...
The effects of room-air normoxic (22 degrees C +/- 1 degree C), 1.2-ATA He-O2 (400 mmHg PO2, 29.0 degree C +/- 1 degree C), and 21-ATA He-O2 (400 mmHg PO2, 32.5 degrees C +/- 1 degree C) environments ...
The effect of 1, 2, and 5 mg/kg propranolol on the neuroelectrophysiological manifestations of CNS oxygen toxicity was studied in conscious rats. Cortical electrodes for electrocorticographic (ECoG) r...

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