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11 Cards in this Set
- Front
- Back
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The gases that impact aviation medicine |
Oxygen, nitrogen, carbon dioxide, water vapor |
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Dalton's law |
The total pressure in a container is the sum of all the partial pressures of all the gasses in a container |
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Boyle's law |
Volume of gas is inversely proportional to its pressure (assuming constant temp) |
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Charles' law |
The volume of a quantity of gas, held at constant pressure, varies directly with the temperature |
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Gay-Lussac's law |
The pressure of a fixed amount of gas at a fixed volume, is proportional to temperature. |
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Hypoxic hypoxia |
Inadequate O2 due to reduced atmospheric 02 or inadequate alveolar/capillary exchange |
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Anemia hypoxia |
Reduced O2 carrying capacity of the hemoglobin. (Anemia, blood loss, carbon monoxide poisoning |
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Stagnant hypoxia |
Cardiac output fails to meet metabolic demands (cardiogenic shock) |
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Histotoxic hypoxia |
Tissues are unable to utilize available oxygen |
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Symptoms of hypoxia |
10k- hyperventilation and poor performance, air hunger, fatigue, HA, nausea, dizzy 15k-euphoria/belligerence 18k cyanosis, confusion 20k jerking limbs, seizure, unconscious |
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Third spacing |
Loss of fluid from intravascular space into surrounding tissues due to increased cellular permeability and/or increased intervascular pressure |
