arterial blood gas

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arterial blood gas

n.
The concentration of oxygen and carbon dioxide in the blood, whose partial pressures are measured along with other factors such as blood pH in order to assess oxygen saturation and other metabolic indicators in patients, especially those with respiratory disorders.

arterial blood gas

Critical care Analysis of arterial blood for O2, CO2, bicarbonate content, and pH, which reflects the functional effectiveness of lung function and to monitor respiratory therapy Ref range pO2, 75-100 mm Hg; pCO2, 35-45 mm Hg; pH: 7.35-7.42, O2 content: 15-23%; O2 saturation, 94-100%; HCO3, 22-26 mEq/L. See Metabolic acidosis, Metabolic alkalosis, Respiratory acidosis, Respiratory alkalosis.

arterial blood gas

Abbreviation: ABG
Any of the gases present in blood. Operationally and clinically, ABGs include the determination of levels of pH, oxygen (O2), and carbon dioxide (CO2) in the blood. ABGs are important in the diagnosis and treatment of disturbances of acid-base balance, pulmonary disease, electrolyte balance, and oxygen delivery. Values of the gases themselves are usually expressed as the partial pressure of carbon dioxide or oxygen although derived values are reported in other units. Several other blood chemistry values are important in managing acid-base disturbances, including the levels of the bicarbonate ion (HCO3), blood pH, sodium, potassium, and chloride.
See also: gas
References in periodicals archive ?
Although spirometry has been improved in recent years, the variabilities of FEV[sub]1 and FVC as 17% and 15% respectively are still unavoidable in COPD patients.[22] For example, arterial blood gas analysis has a rejection rate of 12.5% as its invasive characteristic and CAT may be affected by other complications such as chronic heart failure.[26],[27] Furthermore, surface electromyography of the diaphragm, as a non-invasive technique, can be more easily accepted by the patient, and may partly compensate for the shortcomings of other traditional indicators.
Arterial Blood Gas Analysis (after 6 hrs.): Pa[O.sub.2], PaC[O.sub.2], HC[O.sub.3-], pH.
Table 2: Arterial blood gas analysis under sevoflurane anesthesia at 37.5 and 41.5[dgrees]C.
Arterial blood gas analysis showed respiratory acidosis with hypoxaemia.
Arterial blood gas analysis showed metabolic alkalosis (pH 7.46, bicarbonate 28.9 mmol/L).
This could also explain why the dog did not respond to our initial treatment, which resulted in hyperventilation and respiratory alkalosis, as confirmed by arterial blood gas analysis. While in children in whom the trachea was not intubated hiccup was associated with a decrease in respiratory frequency and minute volume, oxygen desaturation, and relative bradycardia, hiccupping spells were characterized by hyperventilation and respiratory alkalosis if the trachea was intubated [12].
Values of temperature-corrected pH, temperature-corrected [Pco.sub.2], bicarbonate concentrations, and base excess of extra cellular fluid did not differ significantly between arterial and venous blood, suggesting that, in anesthetized gyr falcons, venous blood gas analysis can be used in place of arterial blood gas analysis in clinical situations.
Arterial blood gas analysis is the gold standard by which the adequacy of oxygenation and ventilation are assessed.
Arterial blood gas analysis and acid-base disturbance in cortically ill patients.
In Chosun University Hospital, arterial blood gas analysis and blood cultures are routinely performed before starting empirical antimicrobial drug treatment in patients with signs or symptoms of infection.
Effect of HSD on indicators of arterial blood gas analysis
The presence of met-Hb should be suspected when the oxygen saturation as measured by pulse oximetry is significantly different from the oxygen saturation calculated from arterial blood gas analysis (saturation gap), (8) as evident in this case report.