Ad
related to: normal value for bicarbonate
Search results
Results from the WOW.Com Content Network
The parameter standard bicarbonate concentration (SBC e) is the bicarbonate concentration in the blood at a P a CO 2 of 40 mmHg (5.33 kPa), full oxygen saturation and 36 °C. [13] Reference ranges for blood tests, comparing blood content of bicarbonate (shown in blue at right) with other constituents.
Acid–base and blood gases are among the few blood constituents that exhibit substantial difference between arterial and venous values. [6] Still, pH, bicarbonate and base excess show a high level of inter-method reliability between arterial and venous tests, so arterial and venous values are roughly equivalent for these. [44]
As this value when given with blood gas results is often calculated by the analyzer, correlation should be checked with total CO 2 levels as directly measured (see below). SBC e: 21 to 27 mmol/L the bicarbonate concentration in the blood at a CO 2 of 5.33 kPa, full oxygen saturation and 37 Celsius. [15] Base excess: −2 to +2 mmol/L
The serum anion gap is useful for determining whether a base deficit is caused by addition of acid or loss of bicarbonate. Base deficit with elevated anion gap indicates addition of acid (e.g., ketoacidosis). Base deficit with normal anion gap indicates loss of bicarbonate (e.g., diarrhea).
The calculated level of bicarbonate in the blood ... The normal value for the anion gap is 8–16 mmol/L (12±4). An elevated anion gap (i.e. > 16 mmol/L) indicates ...
Normal AG = 8-16 mEq/L Expressed in words, the equation is: Anion Gap = sodium - (chloride + bicarbonate) which is logically equivalent to: Anion Gap = (the most prevalent cation) minus (the sum of the most prevalent anions) (Bicarbonate may also be referred to as "total CO 2" or "carbon dioxide".) [3]
The bicarbonate buffer system is an acid-base homeostatic mechanism involving the balance of carbonic acid (H 2 CO 3), bicarbonate ion (HCO − 3 ), and carbon dioxide (CO 2 ) in order to maintain pH in the blood and duodenum , among other tissues, to support proper metabolic function. [ 1 ]
In chronic respiratory acidosis, the PaCO 2 is elevated above the upper limit of the reference range, with a normal blood pH (7.35 to 7.45) or near-normal pH secondary to renal compensation and an elevated serum bicarbonate (HCO 3 − >30 mEq/L).
Ad
related to: normal value for bicarbonate