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ABG Basics
o Oxygenation of blood through gas exchange in the lungs. ...
A suggested approach to the interpretation of ABG results
Step 1: Check the origin of the ABG results and make sure they belong to the patient you are about to review. ...
Step 2: Review the patient¡¦s clinical condition and the indication for the ABG examination. ... The pascal unit is meant to be used for all pressure measurements, including blood pressure and gas tension like PO2 and PCO2. ... With respect to gas tension, there is no universal agreement. ... In ABG results, SO2 is derived from PO2 using the oxygen-hemoglobin dissociation curve. ... 6 kPa
(>45 mmHg) (35 to 45 mmHg) (<35 mmHg)
Metabolic acidosis Normal Metabolic alkalosis
[sHCO3-] <22 mmol/L 22 to 26 mmol/L >26 mmol/L
BE >-2 mmol/L -2 to +2 mmol/L >+2 mmol/L
• Standard bicarbonate concentration is not the bicarbonate concentration reported in serum electrolyte results or the so-called actually bicarbonate concentrated reported in some ABG results. ... BE is reported together with or instead of standard bicarbonate concentration in some ABG results. ...
Step 10: Review the patient again to see whether his clinical status is consistent with the ABG results
• Treat the patient.
Approximate Word count = 3001
Approximate Pages = 12
(250 words per page double spaced)
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