define hypoventilation
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What Is Hypoventilation? - Definition, Causes & Symptoms Hypoventilation is a condition that arises when air entering the alveoli, small air sacs in the lungs that are the site of respiratory gas exchange, is reduced. This causes levels of oxygen to decrease and the levels of carbon dioxide to increase.
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- Hypercapnia is the condition in which there is increased level of carbon dioxide in blood. This condition is closely associated with hypoxemia (low level of oxygen) which causes breathing difficulty. It is customary to inhale oxygen and exhale Co2.
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Hypoxemia Hypoxemia (or hypoxaemia in British English) is an abnormally low level of oxygen in the blood.[1][2] More specifically, it is oxygen deficiency in arterial blood.[3] Hypoxemia has many causes, often respiratory disorders, and can cause tissue hypoxia as the blood is not supplying enough oxygen to the body.
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Hypoventilation In medicine, hypoventilation occurs when ventilation is inadequate to perform needed gas exchange. By definition it causes an increased concentration of carbon dioxide and respiratory acidosis. Hypoventilation is not synonymous with respiratory arrest, in which breathing ceases entirely and death occurs within minutes due to hypoxia and leads rapidly into complete anoxia, although both are medical emergencies. Hypoventilation can be considered a precursor to hypoxia and its lethality is attribut
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Hypoxia Hypoxia results when the body lacks oxygen. It generally is associated with flights at high altitude. Other factors such as alcohol abuse, heavy smoking, and various medications can interfere with blood's ability to carry and absorb oxygen, reducing the body's tolerance to hypoxia.
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hypoxemia n a deficient oxygenation of the blood. deficient oxygenation of the blood. The most reliable method for measuring the degree of hypoxemia is blood gas analysis to determine the partial pressure of oxygen in the arterial blood. Decreased oxygenation of the blood eventually leads to hypoxia.
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Hypopnea Hypopnea or hypopnoea is overly shallow breathing or an abnormally low respiratory rate. 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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hypoventilation Hypoventilation occurs when the volume of air that enters the alveoli and takes part in gas exchanges is not adequate for the metabolic needs of the body.
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- Congenital Central Hypoventilation Syndrome. It is possible that the main title of the report Congenital Central Hypoventilation Syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report. 1  CCHS.  autonomic control, congenital failure of.
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- Hypoventilation In medicine, hypoventilation occurs when ventilation is inadequate to perform needed gas exchange. By definition it causes an increased concentration of carbon dioxide and respiratory acidosis.
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Hypercapnia Hypercapnia. by admin Leave a Comment. Hypercapnia is the condition in which there is increased level of carbon dioxide in blood. This condition is closely associated with hypoxemia (low level of oxygen) which causes breathing difficulty. It is customary to inhale oxygen and exhale Co2.
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- Medical Dictionary. hypoxia. play play. noun hyp·ox·ia \hip-ˈäk-sē-ə, hī-ˈpäk-\. Medical Definition of hypoxia. : a deficiency of oxygen reaching the tissues of the body.
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- The medical term for lowered oxygen levels is hypoxia; the term anoxia refers to the absence of oxygen. Pseudocyanosis is the appearance of cyanosis that is not associated with reduced oxygen delivery to tissues.
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Hypoxic pulmonary vasoconstriction Hypoxic pulmonary vasoconstriction. Hypoxic pulmonary vasoconstriction (HPV), also known as the Euler-Liljestrand mechanism, is a physiological phenomenon in which small pulmonary arteries constrict in the presence of alveolar hypoxia (low oxygen levels).
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What does Hypoventilation mean in Medical Dictionary? What does Hypoventilation mean in Medical Dictionary?: their state by which a reduced amount of air comes into the alveoli within the lung area, leading to reduced amounts of air and increased quantities…
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Hypoventilation and hyperventilation syndromes Obesity hypoventilation (HI-po-ven-tih-LA-shun) syndrome (OHS) is a breathing disorder that affects some obese people. In OHS, poor breathing results in too much carbon dioxide (hypoventilation) and too little oxygen in the blood (hypoxemia). OHS sometimes is called Pickwickian syndrome. To understand OHS, it helps to understand how the lungs work.
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Respiratory Physiology - HIGH LIGHTED CARDS ONLY Hyperventilation, which decreases the CO2 content in the blood, thereby removing acid from the blood. Why is panting considered to be hypoventilating instead of hyperventilating? Air does not go all the way to the alveoli in panting.
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Hyperventilation Hyperventilation, sustained abnormal increase in breathing. During hyperventilation the rate of removal of carbon dioxide from the blood is increased. As the partial pressure of carbon dioxide in the blood decreases, respiratory alkalosis, characterized by decreased acidity or increased alkalinity of the blood, ensues.
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U.S. Uninsured Rate Drops to 13.4% Although the percentage of uninsured Hispanics, at 33.2%, is down 5.5 points since the end of 2013, this rate is still the highest by far across key demographic groups.
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Hypoxemia: Definition, Causes, and Treatment Hypoxemia: Definition, Causes, and Treatment. Definition of hypoxemia. Hypoxemia (also known as low oxygen desaturation) is defined as an abnormally-low partial pressure of oxygen in the arterial blood.
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Hypoventilation Hypoventilation can be caused by medical conditions, such as stroke affecting the brainstem, by holding one's breath, like during hypoventilation training, or by drugs, typically when taken in overdose. Opiates in particular cause respiratory depression. Hypocapnia stimulates hypoventilation.
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Background Alveolar hypoventilation is caused by several disorders that are collectively referred as hypoventilation syndromes. Patients who hypoventilate may develop clinically significant hypoxemia, and the presence of hypoxemia along with hypercapnia aggravates the clinical manifestations seen with hypoventilation syndromes.
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- hyp-. Definition of hypo-. 1 : under : beneath : down hypoblast hypodermic. 2 : less than normal or normally hypesthesia hypotension. 3 : in a lower state of oxidation : in a low and usually the lowest position in a series of compounds hypochlorous acid hypoxanthine.
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Tennis Elbow Tennis elbow is a painful elbow disorder. This term is misleading because most people who have it did not get it from playing tennis. In fact, tennis elbow seldom has any connection with fun and games. The technical name for tennis elbow is lateral epicondylitis. This term indicates an inflammation occurring near a small point or projection of the upper arm bone (humerus) just above the elbow joint on the outer side of the arm. However, pain can also occur in other areas of the forearm and elbow.
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Hypoventilation Hypoventilation is a medical term expressing an insufficient exchange of gases. This leads to increased levels of carbon dioxide in the blood, and is especially dangerous when present in those with sleep apnea. A person will naturally adjust to the hypoventilation while awake, taking deeper and/or longer breaths as needed.
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Hypoxemia: Definition, Causes, and Treatment During hypoxemia, the oxygen saturation in the body is less than 90 percent. This is the formal definition of hypoxemia. Normal pulse oximeter readings can range from 95 to 100 percent. If the same falls below 80 percent, the condition is referred to as severe hypoxemia. Hypoxemia has a profound negative effect on quality of life (Nonoyama et al, 2007; Orth et al, 2008; Sans-Torres et al, 1999; Tanni et al, 2007). Even nocturnal hypoxemia (i.e., temporary hemoglobin desaturation during sleep) has negative effects on life quality (Young et al, 2011).