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Questions and Answers
What is the blood glucose level diagnostic for diabetic ketoacidosis (DKA)?
What is the blood glucose level diagnostic for diabetic ketoacidosis (DKA)?
- Less than 70 mg/dL
- 70-110 mg/dL
- Greater than 250 mg/dL (correct)
- 300-500 mg/dL
The presence of ketone bodies in the urine is diagnostic for diabetic ketoacidosis.
The presence of ketone bodies in the urine is diagnostic for diabetic ketoacidosis.
True (A)
What arterial pH value is diagnostic for DKA?
What arterial pH value is diagnostic for DKA?
Less than 7.30
What serum bicarbonate level is diagnostic for DKA?
What serum bicarbonate level is diagnostic for DKA?
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What indicates a positive anion gap diagnostic of DKA?
What indicates a positive anion gap diagnostic of DKA?
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Study Notes
Blood Glucose Level
- A blood glucose level exceeding 250 mg/dL confirms diabetic ketoacidosis (DKA).
- Normal blood glucose levels range from 70-110 mg/dL.
Ketonuria
- Detection of ketone bodies in the urine is a key indicator of DKA.
Arterial pH
- An arterial pH value lower than 7.30 is diagnostic for DKA.
- The normal range for arterial pH is between 7.35 and 7.45.
Serum Bicarbonate (HCO3)
- A serum bicarbonate level of less than 18 mEq/L indicates DKA.
- Normal serum bicarbonate levels are typically between 24-28 mEq/L.
Anion Gap
- A positive or elevated anion gap is indicative of DKA.
- Anion Gap is calculated as: Na+ - (Cl- + HCO3-).
- The normal anion gap is approximately 12, with a variation of ±4.
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