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a decrease in the oxygen content of the blood as a result of disruption of blood circulation, increased tissue requirements for oxygen (due to excessive muscular exertion, for example), decreased exchange of gases in the lungs when they are diseased, decreased hemoglobin content of the blood (for example, in anemias), and decreased partial pressure of oxygen in inhaled air (altitude sickness). The consequence of hypoxemia is hypoxia.

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The paediatric section of the 2012 Surviving Sepsis Campaign guidelines for treating sepsis and septic shock recommends the use of nCPAP or HFNC in the initial resuscitation of children with respiratory compromise or hypoxaemia associated with sepsis or septic shock.
In terms of intraoperative complications, 5 (6.4%) patients had hypotension, 1 (1.3%) had hypoxaemia, 1 (1.3%) had thrombocytopenia, and 1 (1.3%) had bradycardia.
The indications for HFNC in the guideline include use in children with moderate-to-severe respiratory distress with hypoxaemia (peripheral oxygen saturation <90%) despite standard low-flow oxygen (provided by nasal prong or face-mask) due to common childhood respiratory illnesses such as community-acquired pneumonia, bronchiolitis, and asthma exacerbations.
General anaesthesia increases the formation of atelectasis in peripheral lung areas, thus decreasing ventilation and causing hypoxaemia. Hypoxaemia, in turn, leads to various arrhythmias and disruption of the body's acid-base balance.
Fetal cardiovascular, metabolic and endocrine responses to acute hypoxaemia during and following maternal treatment with dexamethasone in sheep.
Platypnoea-orthodeoxia is an unusual phenomenon characterised by positional dyspnoea (platypnoea) and hypoxaemia (orthodeoxia) exacerbated in the sitting position/ improved in the supine position.
In COPD patients, both hypoxaemia and hyperoxaemia can result in adverse clinical outcomes 9, 10.
The CRP, fibrinogen, NT-proBNP, hypoxaemia and EF were linked to increased hospital mortality in univariate analysis (Table 2).
Logan, "Prevention of hypoxaemia during upper-gastrointestinal endoscopy by means of oxygen via nasal cannulae," The Lancet, vol.
In a patient with tropical bite or sting, unexplained tachycardia, hypotension, or hypoxaemia in the absence of a respiratory cause would raise the suspicion of myocardial involvement.
Assessment techniques that were 'almost never' or 'never' used included calculation of lung compliance (n=75, 69%), calculation of hypoxaemia (n=74, 69%) and assessment of patient readiness for weaning (n=63, 58%).