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What Is The Gap In Dka?

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Anion Gap-bicarbonate Relation In Diabetic Ketoacidosis.

Abstract The relation between the serum anion gap and the serum total carbon dioxide concentration was studied in 100 admissions of patients with diabetic ketoacidosis and 43 normal control subjects. In 20 admissions of patients with diabetic ketoacidosis (Group 1), the patients had no other conditions or medications known to alter acid-base or electrolyte homeostasis, whereas in 80 admissions of patients with diabetic ketoacidosis (Group 2), the patients had at least one of these factors. Analysis of the change in total carbon dioxide compared with the change in anion gap in Group 1 and control subjects revealed the following relation: change in total carbon dioxide = 0.74 + 1.00 X change in anion gap, in meq/liter (r = 0.886, p less than 10(-7]. The 95 percent prediction interval for detecting mixed acid-base disorders with this equation was +/- 8 meq/liter. Analysis of all admissions of patients with diabetic ketoacidosis and control subjects combined showed that the anion gap increased 0.24 meq/liter per mg/dl increase in blood urea nitrogen (with total carbon dioxide constant). Because the highest blood urea nitrogen level in Group 1 and control subjects was 22 mg/dl, the chan Continue reading >>

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Popular Questions

  1. TheCommuter

    You can post this question on this site's Nursing Student Assistance Forums and perhaps get an answer. One of our frequent users, Daytonite, loves to give detailed answers to these types of questions.
    http://allnurses.com/forums/f205/

  2. ICRN2008

    Here is the formula for anion gap:
    Agap = Na + K - Cl -CO2
    I would think that the doctor would be monitoring the glucose level (not the agap) to determine when to stop the insulin drip. Anyone else have an idea?

  3. P_RN

    One of our wonderful members Mark Hammerschmidt has a great FREE MICU site:
    http://www.icufaqs.org/
    Check section 4.2
    It's all acidosis/alkalosis

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