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Diabetic ketoacidosis with alkalemia
1Department of Medicine, Coney Island Hospital, Brooklyn, New York 11235.
The Journal of Emergency Medicine
|July 1, 1989
Summary
Diabetic ketoacidosis typically causes acidemia, but this case study shows alkalemia due to severe vomiting. Prompt recognition of alkalemia is crucial for effective treatment.
Area of Science:
- Endocrinology
- Nephrology
- Internal Medicine
Background:
- Diabetic ketoacidosis (DKA) is a serious complication of diabetes mellitus.
- DKA is characterized by hyperglycemia, ketosis, and metabolic acidosis.
Observation:
- A patient presented with diabetic ketoacidosis but exhibited alkalemia (pH 7.61) rather than the expected acidemia.
- Severe vomiting led to electrolyte depletion and hypovolemia.
Findings:
- Hypovolemia and electrolyte depletion triggered bicarbonate reabsorption, overriding the ketoacidosis.
- The patient's alkalemia was a result of metabolic compensation mechanisms in the setting of severe vomiting and DKA.
Implications:
- This case highlights the importance of considering atypical presentations of DKA.
- Recognizing alkalemia in DKA is critical for guiding appropriate therapeutic interventions.
- Understanding the interplay between vomiting, hypovolemia, and acid-base balance is essential for managing complex DKA cases.