Ads
related to: barometric pressure effects on people with depression chart for elderly
Search results
Results From The WOW.Com Content Network
The first publication to document a change in pain perception associated with the weather was the American Journal of the Medical Sciences in 1887. This involved a single case report describing a person with phantom limb pain, and it concluded that "approaching storms, dropping barometric pressure and rain were associated with increased pain complaint."
Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa ), which is equivalent to 1,013.25 millibars , [ 1 ] 760 mm Hg , 29.9212 inches Hg , or 14.696 psi . [ 2 ]
Cyclone Dirk, this was the lowest barometric pressure observed at any site in the British Isles, and the deepest depression to pass close to the British Isles, since 8 December 1886, 936.4 hPa at Stornoway was reported on minute observations at 12:29, with 936.8 hPa recorded at the 13:00 hourly observation. [307]
Gas is very compressible. Humans have many air spaces: sinuses, middle ears, gas in the gastro-intestinal tract, cavities in the teeth, and largest of all, the lungs. On land in dail life, the pressure in these air spaces is usually exactly the same as the pressure outside, because the air spaces are connected to the outside world.
The physics that affect the body in the sky or in space are different from the ground. For example, barometric pressure is different at different heights. At sea level barometric pressure is 760 mmHg; at 3,048 m above sea level, barometric pressure is 523 mmHg, and at 15,240 m, the barometric pressure is 87 mmHg.
The ambient air temperature is predictably affected by altitude, and this also has physiological effects on people exposed to high altitudes. The temperature effects and their mitigation are not inherently different from temperature effects from other causes, but the effects of temperature and pressure are cumulative.