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Physiology of man during a 10-day dry heliox saturation dive (SEATOPIA) to 7 ATA. II.Urinary water,electrolytes,ADH,and aldosterone
human urine blood hydration
2009/7/20
Physiology of man during a 10-day dry heliox saturation dive (SEATOPIA) to 7 ATA. II.Urinary water,electrolytes,ADH,and aldosterone.
Diver temperature and performance changes during long-duration,cold water exposure
human temperature performance cold water immersion
2009/7/20
Diver temperature and performance changes during long-duration,cold water exposure
Effects of head-out water immersion on cardiorespiratory responses to maximal cycling exercise
human head-out immersion scuba breathing exercise cardiorespiratory
2009/7/20
Our objectives were to determine effects of head-out immersion (HOI), scuba breathing, and water temperature on cardiorespiratory responses to maximal aerobic work. Measurements of VO2, VE, and heart ...
Respiratory gas exchange and lung perfusion in man during and after head-out water immersion
CO2 carbon dioxide carbon monoxide pulmonary human CO
2009/7/20
The respiratory gas exchange for O2, CO2, and CO has been studied in nine healthy male subjects before, during, and after head-out water immersion. Distribution of lung perfusion and ventilation were ...
Distraction effect of cold water on performance of higher-order tasks
human performance cold water immersion
2009/7/20
Eight U.S. Navy-qualified scuba divers performed peripheral target detection and navigation problem-solving tasks continuously during 3-h exposures to moderate (15.5 degrees C) and cold (4.5 degrees C...
Physiological responses to head-out immersion in water at 11 ATA
hyperbaric cardiac output human head out immersion immersion diuresis
2009/7/17
Cardiorespiratory, thermal, and renal responses to a 30-min head-out immersion in 15 degree C water were studied at 1-ATA air and 11-ATA helium-oxygne environments in four male subjects wearing dry su...
Observations after loss of consciousness under water
loss of consciousness case report Inert Gas Narcosis
2009/7/17
Two diving incidents were investigated in which 1) an experienced professional diver (A) lost consciousness during an air dive to 69 meters, and 2) an amateur sports diver (D) lost consciousness durin...
Urinary excretion of water and electrolytes during open-sea saturation diving to 850 fsw
human Urinary excretion electrolyte diuretic
2009/7/17
The dive was carried out in the open sea to a depth of 850 fsw (26.7 ATA) for 6 days (DD 1--6) in the saturated mode, with personnel transfer capsule (PTC) excursions between 0 and 150 fsw and diver e...
Feasibility study of CPR in the water
human cardiopulmonary resuscitation emergency regulator resuscitation
2009/7/17
More than 8000 drownings occur each year in the United States alone. With the increased popularity of scuba diving for commercial and sport purposes, one would predict an increase in related deaths or...
Operator performance in the one-atmosphere diving system JIM in water at 20 degrees C and 30 degrees C
human one-atmosphere Operator
2009/7/16
Performance and physiology of five operators of the one-atmosphere diving system JIM were assessed when diving JIM in mild (20 degrees C) and warm (30 degrees C) water. Each operator completed a minim...
Pulmonary capillary blood volume during immersion in water at different temperatures
human Pulmonary immersion temperature
2009/7/16
Pulmonary capillary blood volume (Qc) was determined for 7 subjects in the standing posture and immersed up to the sternal manubrium at three water temperatures: 34 degrees C +/- 0.5 degrees C, therma...
physiology of water immersion
human immersion
2009/7/15
Mechanical and physical factors in lung function during work in dense environments.
Responses of salt- and water-regulating hormones during a saturation dive to 31 ATA (SEADRAGON IV)
decompression human saturation osmotic clearance urine
2009/7/15
Four Japanese male subjects were studied during 3 days at 1 ATA, 3 days of compression to 31 ATA (1000 fsw), 14 days at 31 ATA, 12 days of decompression, and 3 days of postdive control at 1 ATA. The c...
Water immersion and the kidney: implications for volume regulation
human Immersion Diuresis volume regulation Undersea Biomed Res
2009/7/15
Studies from this laboratory have demonstrated that head-out immersion in isothermic water causes a cephalad redistribution of blood volume. The resultant central hypervolemia induces a marked natriur...
Cardiovascular and renal responses to head-out water immersion in canine model
cardiovascular cardiac output dog animal immersion renal
2009/7/15
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...