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Case Reports
. 2016 Feb;17(1):61-5.
doi: 10.1111/pedi.12246. Epub 2014 Nov 27.

Profound hypokalemia associated with severe diabetic ketoacidosis

Shanlee M Davis  1 , Aline B Maddux  2 , Guy T Alonso  3 , Carol R Okada  2 , Peter M Mourani  2 , David M Maahs  3
Affiliations
Case Reports

Profound hypokalemia associated with severe diabetic ketoacidosis

Shanlee M Davis et al. Pediatr Diabetes. 2016 Feb.

Abstract

Hypokalemia is common during the treatment of diabetic ketoacidosis (DKA); however, severe hypokalemia at presentation prior to insulin treatment is exceedingly uncommon. A previously healthy 8-yr-old female presented with new onset type 1 diabetes mellitus, severe DKA (pH = 6.98), and profound hypokalemia (serum K = 1.3 mmol/L) accompanied by cardiac dysrhythmia. Insulin therapy was delayed for 9 h to allow replenishment of potassium to safe serum levels. Meticulous intensive care management resulted in complete recovery. This case highlights the importance of measuring serum potassium levels prior to initiating insulin therapy in DKA, judicious fluid and electrolyte management, as well as delaying and/or reducing insulin infusion rates in the setting of severe hypokalemia.

Keywords: diabetic ketoacidosis; hypokalemia; insulin; low-dose insulin drip; pediatric.

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Figures

Fig. 1
Fig. 1
Electrocardiogram (EKG) at presentation (K 1.3) demonstrating flattened T waves (circle) and upright ‘U’ waves (diamond).
See this image and copyright information in PMC

References

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