A 40-year-old woman with type 1 diabetes mellitus presents with purulent draining ulcer of her right foot and is admitted to surgery. Her ABG is: PH 7.27 / PCO2 17 / PO 95 / HCO3 10 / urine ketone +3. What is the diagnosis of this acid-base disorder?
سؤال مجاني 6 من 10 اليوم · اشترك وكمّل بدون حد
اعرض الإجابة
الإجابة والشرح
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الإجابة: A. Metabolic acidosis with respiratory alkalosis
✓ مطابق للمصدر
Step Up To Medicine 6th Edition 2024 (Acid-base imbalance).pdf · p. 6
Low pH and low HCO3 (10) with ketonuria mean metabolic acidosis (DKA). Winter formula: expected PaCO2 = 1.5x10 + 8 +/- 2 = 21–25. The actual PaCO2 of 17 is lower than expected, so there is also a primary respiratory alkalosis. Respiratory acidosis would require a PaCO2 above the predicted range.
- المصدر
- Step Up To Medicine 6th Edition 2024 (Acid-base imbalance).pdf · p. 6
- المحاضرة
- Acid-base · General Surgery · Module D
- ظهر في
- Surgery QB (Module D) p. 216 Q1