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micaela mastro

on 12 March 2013

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By: Micaela Mastrofrancesco
Natalie Pesino Hyperbaric Chamber
Treatment for Respiratory Patients Gas Laws at Work Impact to Society "Nuts and Bolts" The hyperbaric chamber relates to Boyle's Law.The volume of gas is inversely proportional to the pressure and density is directly proportional to the pressure at constant temperature. The relationship between pressure, volume, and density affect the concentration of oxygen molecules in the alveoli (The tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
Volume: While the pressure increases, the volume of a gas decreases and while the pressure decreases the volume increases.
When the pressure surrounding the patient increases, the volume of gas in any gas filled space in the body will decrease. On the contrary, as the pressure is decreased surrounding the patient the volume of the gas in the same spaces will increase. The volume of each alveolus will decrease as it is pressurized in the hyperbaric chamber.
Density: As the pressure increases this causes the density of each gas molecule to increase. The gas is as many gas molecules occupying a particular volume. When the pressure increases this causes the density of each gas molecule to increase. Connection to Kinetic Molecular Theory Hyperbaric chamber treatments are recognized as safe and effective for a handful of medical conditions.
13 Conditions: air or gas embolism
carbon monoxide (CO) poisoning
smoke inhalation
gas gangrene caused by certain bacteria
decompression sickness
radiation tissue damage
thermal burns
non-healing skin grafts
crush injuries
wounds that fail to heal through conventional treatment
serious blood loss
intracranial abscess.
The chambers have been in use as early as 1662. Hyperbaric oxygen was used in the mid 1800's for the U.S military after World War I. The hyperbaric chamber is compressed to great pressures (165 ft of sea water) by pumping in high pressure air after sealing the doors of the chamber.
The patient breathes gas containing a high percent of oxygen through a mask. This combination of high pressure and increased oxygen levels have achieved great results. This treatment allowed a diver in full cardiac arrest to regain a pulse. How is the gas contained in a hyperbaric chamber? How is the level of pure oxygen controlled in the chamber? How does the change in atmospheric conditions affect the hyperbaric chamber? The Kinetic Molecular Theory States that gas consists of very small particles with a mass. - distance separating gas particles is large
- gas particles are in constant, rapid, random motion
-collisions of gas particles are elastic
- gas particles have higher kinetic energy at a higher temperature and lower kinetic energy at a lower temperature.
- gas particles exert no force on each other http://www.youtube.com/watch?v=LzGbfTDGOUw Supplementary Information -There are two types of hyperbaric chambers, Monoplace and Multiplace.
-At the start of the treatment, some patients experience a sensation similar to that felt while flying and or landing in an airplane. As pressure
builds, it is common to feel pressure in the ears. At the end of the treatment, as the pressure is released, the ears "pop" automatically.
-Most treatments, including those for wound healing, last about 2 hours.
-Doctors at the University of Florida's College of Veterinary Medicine have recently used an oxygen chamber on dogs, cats, ferrets, rabbits and one monkey.

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