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Hypoxemia (also spelled hypoxaemia) is an abnormally low level of oxygen in the blood. [ 1 ] [ 2 ] More specifically, it is oxygen deficiency in arterial blood. [ 3 ] Hypoxemia is usually caused by pulmonary disease.
Acute respiratory distress syndrome (ARDS) is a type of respiratory failure characterized by rapid onset of widespread inflammation in the lungs. [1] Symptoms include shortness of breath (dyspnea), rapid breathing (tachypnea), and bluish skin coloration (cyanosis). [ 1 ]
Hypoxia can present as acute or chronic. Acute presentation may include dyspnea (shortness of breath) and tachypnea (rapid, often shallow, breathing). Severity of symptom presentation is commonly an indication of severity of hypoxia. Tachycardia (rapid pulse) may develop to compensate for low arterial oxygen tension.
Respiratory failure is classified as either Type 1 or Type 2, based on whether there is a high carbon dioxide level, and can be acute or chronic. In clinical trials, the definition of respiratory failure usually includes increased respiratory rate, abnormal blood gases (hypoxemia, hypercapnia, or both), and evidence of increased work of breathing.
Focal cerebral ischemia – A stroke occurring in a localized area that can either be acute or transient. This may be due to a variety of medical conditions such as an aneurysm that causes a hemorrhagic stroke, or an occlusion occurring in the affected blood vessels due to a thrombus (thrombotic stroke) or embolus (embolic stroke). [21]
Intermittent hypoxia (also known as episodic hypoxia) is an intervention in which a person or animal undergoes alternating periods of normoxia and hypoxia.Normoxia is defined as exposure to oxygen levels normally found in Earth's atmosphere (~21% O 2) and hypoxia as any oxygen levels lower than those of normoxia.
The results of a new study involving 826 young adults suggest that diets high in fast food, processed red meat, and soda but low in fruits and vegetables may be linked to faster biological aging.
Acute respiratory distress syndrome Alcohol poisoning Carbon monoxide inhalation , such as that from a car exhaust and the smoke produced by a lit cigarette : carbon monoxide has a higher affinity than oxygen to the hemoglobin in the blood's red blood corpuscles, bonding with it tenaciously, and, in the process, displacing oxygen and preventing ...