Case Report
Successful Use of Renal Replacement Therapy for Refractory Hypokalemia in a Diabetic Ketoacidosis Patient
Table 1
Timeline of selected laboratory values and treatments in our patient.
| Hours post admission | Corrected sodium (mEq/L) | Potassium (mEq/L) | BUN (mg/dL) | Creatinine (mg/dL) | Magnesium (mg/dL) | Arterial pH |
| 0 | 121 | 3.0 | 32 | 1.55 | 2.9 | 7.14 | Administration of IV 50 mEq KCl, 1000 ml NaCl | 5 | 123 | 3.1 | 28 | 1.11 | 2.5 | 7.09 | Administration of IV 290 mEq KCl, 250 mEq NaHCO3 | 18 | 151 | 2.9 | 29 | 1.11 | 2.6 | 7.05 | Initiation of hemodialysis with 4 mEq/L K-dialysis bath, 220 ml of positive fluid balance | 25 | 147 | 3.6 | 21 | 0.87 | 2.4 | 7.47 | Administration of IV insulin 4 U/h, 40 mEq KCl, 30 mmol K-Phos | 29 | 146 | 2.6 | 18 | 0.86 | 2.0 | 7.43 | Initiation of CVVH, 1,550 ml of positive fluid balance | 32 | 141 | 3.4 | 21 | 1.05 | 1.9 | 7.39 | 40 | 145 | 4.1 | 16 | 0.88 | 2.1 | 7.39 |
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