Final answer:
The total serum CO2 value is measured through blood tests that analyze the levels of bicarbonate ions in the blood, reflecting the amount of dissolved CO2. This measurement is important for evaluating metabolic function and acid-base balance. Healthcare professionals use blood tests like the comprehensive metabolic panel to determine the total serum CO2 value.
Step-by-step explanation:
The total serum CO2 value refers to the measurement of carbon dioxide dissolved in the blood. It is an important indicator of metabolic function and acid-base balance. The value can be found through blood tests that measure the levels of bicarbonate ions (HCO3-) in the blood, which are a direct reflection of the amount of dissolved CO2.
Healthcare professionals measure total serum CO2 as part of a comprehensive metabolic panel (CMP) or basic metabolic panel (BMP) blood test. The test involves drawing a blood sample and analyzing it in a laboratory. The results are reported in milliequivalents per liter (mEq/L) or millimoles per liter (mmol/L).
For example, a normal range for total serum CO2 is typically around 22-29 mEq/L. An elevated value may indicate respiratory alkalosis or metabolic alkalosis, while a low value may indicate respiratory acidosis or metabolic acidosis.