how are hypoxic conditions defined?
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Hypoxia, or oxygen depletion, is an environmental phenomenon where the concentration of dissolved oxygen in the water column decreases to a level that can no longer support living aquatic organisms. Hypoxia in the northern Gulf of Mexico is defined as a concentration of dissolved oxygen less than 2 mg/L (2 ppm).
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Anoxia happens when your body or brain completely loses its oxygen supply. Anoxia is usually a result of hypoxia. This means that a part of your body doesn't have enough oxygen. When your body is harmed by a lack of oxygen, it's called a hypoxic-anoxic injury.
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Medical Definition of Apnea, obstructive sleep Apnea, obstructive sleep: Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes its name to a Greek word, apnea, meaning "want of breath."
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A blood oxygen level below 60 mm Hg is considered low and may require oxygen supplementation, depending on a doctor's decision and the individual case. When blood oxygen level is too low compared to the average level of a healthy person, it can be a sign of a condition known as hypoxemia.
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Hypopnea is defined by some to be less severe than apnea (the complete cessation of breathing), while other researchers have discovered hypopnea to have a "similar if not indistinguishable impact" on the negative outcomes of sleep breathing disorders.
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In addition to natural disasters, Everest climbers face a number of life-threatening health risks. In high-altitude settings, there is less oxygen in the atmosphere, and oxygen doesn't diffuse into a climber's blood as well as it would at sea level. That can lead to serious medical problems.
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Acute chest syndrome is a term used to cover conditions characterized by chest pain, cough, fever, hypoxia (low oxygen level) and lung infiltrates. Acute chest syndrome may be the result of sickling in the small blood vessels in the lungs causing a pulmonary infarction/emboli or viral or bacterial pneumonia.
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Normal and low blood oxygen levels A normal blood oxygen level varies between 75 and 100 millimeters of mercury (mm Hg). A blood oxygen level below 60 mm Hg is considered low and may require oxygen supplementation, depending on a doctor's decision and the individual case.
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Home oxygen therapy involves breathing in air that contains more oxygen than normal from a cylinder or machine in your home. It may be prescribed if you have a heart or lung condition that causes low oxygen levels in your blood.
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The first contact with high altitude (hypoxia) is along with increased Hb concentration resulted from reduction of plasma volume (due to reduction of anti-diuretic hormone) and increased RBC count. Due to increase of Hb concentration, the amount of transported oxygen to the tissues is increased.
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Hypoxic brain injuries are brain injuries that form due to a restriction on the oxygen being supplied to the brain. The restricted flow of oxygen causes the gradual death and impairment of brain cells.
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Ambient conditions are called ATP (ambient temperature, pressure); the conditions within the lungs are called BTPS (body temperature, pressure, water vapor saturated).
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atmospheric condition - the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation; "they were hoping for good weather"; "every day we have weather conditions and yesterday was no exception"; "the conditions were too rainy for playing in the snow"
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Tension pneumothorax is classically characterized by hypotension and hypoxia. On examination, breath sounds are absent on the affected hemothorax and the trachea deviates away from the affected side. The thorax may also be hyperresonant; jugular venous distention and tachycardia may be present.
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Home oxygen therapy. Home oxygen therapy involves breathing in air that contains more oxygen than normal from a cylinder or machine in your home. It may be prescribed if you have a heart or lung condition that causes low oxygen levels in your blood.
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['hypothermia.', 'hypothesize.', 'hypotension.', 'hypotensive.', 'hypokalemia.', 'hypospadias.', 'hypothecate.', 'hypoglossal.']
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Some of the most common causes of hypoxemia include: Heart conditions, including heart defects. Lung conditions such as asthma, emphysema, and bronchitis. Locations of high altitudes, where oxygen in the air is lower.