what is anoxic brain encephalopathy?
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Anoxic encephalopathy, or hypoxic-ischemic brain injury, is a process that begins with the cessation of cerebral blood flow to brain tissue, which most commonly results from poisoning (for example carbon monoxide or drug overdose), vascular injury or insult, or cardiac arrest.
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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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High enough concentrations of nitrate in drinking water can result in a temporary blood disorder in infants called methemoglobinemia, commonly called "blue baby syndrome." In severe, untreated cases, Page 2 brain damage and eventually death can result from suffocation due to lack of oxygen.
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Ischemia is the condition in which living tissue doesn't get oxygen and nutrients, usually due to an obstruction of the blood flow to that tissue. Tissue experiencing ischemia is called ischemic and typically functions abnormally. If ischemia persists long enough, the affected tissue dies.
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Brain atrophy — or cerebral atrophy — is the loss of brain cells called neurons. Atrophy also destroys the connections that help the cells communicate. It can be a result of many different diseases that damage the brain, including stroke and Alzheimer's disease.
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The Dangers of Brain Aneurysm A brain aneurysm (AN-yoo-riz-um) is a bulge or ballooning in a blood vessel in the brain. It often looks like a berry hanging on a stem. A brain aneurysm can leak or rupture, causing bleeding into the brain (hemorrhagic stroke).
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Water intoxication, also known as water poisoning, hyperhydration, overhydration, or water toxemia, is a potentially fatal disturbance in brain functions that results when the normal balance of electrolytes in the body is pushed outside safe limits by excessive water intake.
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Pug Dog Encephalitis (PDE), or Necrotizing Meningoencephalitis (NME), is an aggressive and fatal inflammatory disease of the central nervous system.
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Central nervous system. Central nervous system oxygen toxicity manifests as symptoms such as visual changes (especially tunnel vision), ringing in the ears (tinnitus), nausea, twitching (especially of the face), behavioural changes (irritability, anxiety, confusion), and dizziness.
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Anoxic brain injuries are caused by a complete lack of oxygen being provided to the brain, which results in the death of brain cells after approximately four minutes of oxygen deprivation. Hypoxic brain injuries are brain injuries that form due to a restriction on the oxygen being supplied to the brain.
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A coma is a state of unconsciousness where a person is unresponsive and cannot be woken. It can result from injury to the brain, such as a severe head injury or stroke. A coma can also be caused by severe alcohol poisoning or a brain infection (encephalitis).
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Lack of oxygen at birth can have long-term effects for the infant and his or her family. Hypoxia, or reduced oxygen to the brain, can cause long-term disabilities and developmental delays. Severe oxygen deprivation or anoxia, which is the term for no oxygen reaching the brain, can also cause disabilities or even death.
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When someone is choking with a completely blocked airway, no oxygen can enter the lungs. The brain is extremely sensitive to this lack of oxygen and begins to die within four to six minutes. It is during this time that first aid must take place. Irreversible brain death occurs in as little as 10 minutes.
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High anion gap metabolic acidosis is a form of metabolic acidosis characterized by a high anion gap (a medical value based on the concentrations of ions in a patient's serum). Metabolic acidosis occurs when the body produces too much acid, or when the kidneys are not removing enough acid from the body.
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Cerebrovascular accident: The sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture of an artery to the brain. A CVA is also referred to as a stroke.
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Asphyxia or asphyxiation is a condition of deficient supply of oxygen to the body that arises from abnormal breathing. An example of asphyxia is choking. Asphyxia causes generalized hypoxia, which affects primarily the tissues and organs. ... Asphyxia can cause coma or death.
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Brain hypoxia is when the brain isn't getting enough oxygen. This can occur when someone is drowning, choking, suffocating, or in cardiac arrest. Brain injury, stroke, and carbon monoxide poisoning are other possible causes of brain hypoxia.