An<unk>  blood<unk>  (ABG)<unk>  measures the amounts of<unk> <unk> es, such as oxygen and carbon dioxide. An ABG<unk>  requires that a small volume of blood be drawn from the radial artery with a syringe and a thin needle, but sometimes the femoral artery in the groin or another site is used. The blood can also be drawn from an<unk>  catheter. An ABG<unk>  measures the blood<unk>  tension values of the<unk>  partial pressure of oxygen (PaO2), and the<unk>  partial pressure of carbon dioxide (PaCO2), and the blood's pH. In addition, the<unk>  oxygen saturation (SaO2) can be determined. Such information is vital when caring for patients with critical illnesses or respiratory disease. Therefore, the ABG<unk>  is one of the most common<unk> s performed on patients in intensive-care units. In other levels of care, pulse oximetry plus transcutaneous carbon-dioxide measurement is a less invasive, alternative method of obtaining similar information. An ABG<unk>  can also measure the level of bicarbonate in the blood. Many blood-gas analyzers will also report concentrations of lactate, hemoglobin, several electrolytes, oxyhemoglobin, carboxyhemoglobin, and methemoglobin. ABG<unk> ing is mainly used in pulmonology and critical-care medicine to determine<unk>  exchange across the alveolar-capillary membrane. ABG<unk> ing also has a variety of applications in other areas of medicine. Combinations of disorders can be complex and difficult to interpret, so calculators, nomograms, and rules of thumb are commonly used. ABG samples originally were sent from the clinic to the medical laboratory for analysis. Newer equipment lets the analysis be done also as point-of-care<unk> ing, depending on the equipment available in each clinic.
Arterial blood gas test
Blood gas test
Hyperoxia test
Transcutaneous oxygen measurement
Respiratory pressure meter
Pulse oximetry
Hemoximetry
Breath analysis