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搜索结果: 1-15 共查到军事医学与特种医学 Cardiovascular相关记录16条 . 查询时间(0.078 秒)
Effect of breathing helium on sympathetic nervous and cardiovascular functions.
Physiology of man during a 10-day dry heliox saturation dive (SEATOPIA) to 7 ata.i.cardiovascular and thermoregulatory functions.
A sizeable group of biochemical, hematologic and physiologic variables that significantly affect the prognosis for diseases of aging, especially for coronary heart disease (CHD), were studied in 1017 ...
Ten chronically catheterized near-term sheep fetuses were used to study the effect of induced intravascular bubbling on fetal placental vascular dynamics and fetal regional blood flows. Fetal blood pr...
Water immersion (WI) of anesthetized dogs to the midcervical level in the vertical sitting position under thermoneutral conditions (38 degrees C) leads to generalized increases in regional blood flows...
Cardiovascular deconditioning (CD) has been reported to occur in weightlessness, bed rest, and head-out water immersion. An expanded intrathoracic blood volume results, at least initially, in all thes...
The effects of cold acclimation (CA) on the cardiorespiratory responses to cold air and water stress tests (CST) were studied in 7 males before and after a CA program of daily 90-min cold water (18 de...
The effect of exposure to 30 bar (PHe = 29.0 bar, PN2 = 0.8 bar, PO2 = 0.2 bar) on left ventricular pressure, cardiac contractility, heart rate (HR), and arterial pressure was studied in anesthetized ...
The study examines the hypothesis that the carotid sinus heart rate baroreflex responses are changed in human subjects on exposure to 450 msw. Baroreceptor reflex changes in heart rate (expressed as m...
To examine the effect of acute hyperbaric exposure on cardiovascular response to orthostasis, a passive 70 degrees head-up tilt (HUT) test was performed for 15 min in a simulated compressed-air hyperb...
Elevated carbon dioxide concentrations frequently encountered in diving operations may have cardiovascular effects. If so, changes in nitrogen loading and elimination may be induced. To study this pos...
Allergic rhinitis and mild respiratory infections have been widely accepted as temporary contraindications for fitness to dive. Nonetheless, several sport and professional divers use antihistamines to...
Breath-hold divers use glossopharyngeal breathing to inhale above total lung capacity (glossopharyngeal insufflation, GI) or exhale below residual volume (glossopharyngeal exsufflation, GE). In these ...
In 5 subjects exposed to a pressure equivalent of 250 feet on air, the peak exercise heart rate was reduced by 38% of that attained before pressure, while with atropine the reduction was 24%. It is ...
In the US the Diving Alert Network has a list of physicians for medical consultation. I am one of the cardiologists on the list and I get about a call a day about some cardiac question that raises ...

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