Hypoxia

Hypoxia is a medical term for a condition of inadequate oxygen supply to tissues of the body. Hypoxia is a cause of a wide variety of diseases, including cancer, stroke, and heart attack. It can be caused by a variety of environmental factors, such as high altitudes or exposure to hazardous air pollutants. Hypoxia occurs when oxygen concentrations in a region of the body are lower than they need to be. This can be caused by either a decreased delivery of oxygen to the area, or increased consumption of oxygen from the area. Hypoxia can also be caused by an insufficient partial pressure of oxygen delivered to the area. Water is often the cause if there is also an increase in the concentration of other cells such as red blood cells, waterlogging of tissue, or increased cell metabolism. In the body, hypoxia can be either acute or chronic. Acute hypoxia is a short-term issue, often resulting from an injury or other trauma. Acute hypoxia often resolves itself over time. Chronic hypoxia, however, is the result of repeated, long-term exposure to a low oxygen environment, and can cause long-term damage to the body. The most dangerous form of hypoxia is hypoxic-ischemic encephalopathy (HIE). HIE occurs when the brain is deprived of both oxygen and glucose and can lead to coma and death. It is most often seen in infants, but can occur in adults. The effects of hypoxia vary depending on severity and duration, but can include fatigue, headaches, blurred vision, cognitive impairment, and difficulty concentrating. Severe hypoxia can result in unconsciousness, coma, or even death. Hypoxia is a serious medical condition and can be deadly if left untreated. Treatment usually involves restoring oxygen supply to the organs involved, often through the use of oxygen supplementation or