EMCEXPRESSCARE-ALTITUDE_SICKNESS.doc

EMCEXPRESSCARE-ALTITUDE_SICKNESS.doc - EMC Express Care...

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EMC Express Care Open every day 10AM-8PM 817-503-8800 EMCexpresscare.com ALTITUDE SICKNESS 4/10/12 rw Ascent to higher elevations can impose a variety of stresses on the human body, like relatively colder temperatures, lower humidity, and increased ultraviolet radiation. An increased risk for oxygen-deprivation or hypoxia is usually the greatest concern because of the decrease in oxygen concentrations at higher elevations that can cause altitude sickness. Normally, the body can adjust well or "acclimatize," given an appropriate amount of time (usually three to five days). Low altitude - sea level to 4950 feet (1500 meters) Moderate altitude - an elevation between 4950 feet (1500 meters) and 8250 feet (2500 meters) High altitude - an elevation of more than 8250 feet (2500 meters) With ascent to higher elevations, the body attempts to get more oxygen into the blood through increased heart rate, increased respiratory rate and volume, and constriction of the pulmonary vasculature.
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